Finding the Fourth Proportional to 38,512, 57,768 and 13,888
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Solution
The fourth proportional to 38,512, 57,768 and 13,888 is: 20,832
Step by Step Solution
- Step 1: Write the proportion equation
38,512 : 57,768 = 13,888 : x - Step 2: Convert to fraction form
38,512/57,768 = 13,888/x - Step 3: Cross multiply
38,512x = 57,768 × 13,888 - Step 4: Simplify right side
38,512x = 802,281,984 - Step 5: Solve for x
x = 802,281,984/38,512 - Step 6: Final answer
x = 20,832
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