To convert Celsius to Fahrenheit, use the following formula:

Fahrenheit = (Celsius * 9/5) + 32

Let's plug in 38.4 degrees Celsius:

Fahrenheit = (38.4 * 9/5) + 32

Fahrenheit = 69.12 + 32

Fahrenheit = 101.12

Therefore, 38.4 degrees Celsius is equal to 101.12 degrees Fahrenheit.