Finding the Fourth Proportional to 38,135.79, 57,203.73 and 15,937.02
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Solution
The fourth proportional to 38,135.79, 57,203.73 and 15,937.02 is: 23,905.55
Step by Step Solution
- Step 1: Write the proportion equation
38,135.79 : 57,203.73 = 15,937.02 : x - Step 2: Convert to fraction form
38,135.79/57,203.73 = 15,937.02/x - Step 3: Cross multiply
38,135.79x = 57,203.73 × 15,937.02 - Step 4: Simplify right side
38,135.79x = 911,656,989.08 - Step 5: Solve for x
x = 911,656,989.08/38,135.79 - Step 6: Final answer
x = 23,905.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.