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Finding the Fourth Proportional to 40,392, 60,593.52 and 14,092.88

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Solution

The fourth proportional to 40,392, 60,593.52 and 14,092.88 is: 21,141.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,392 : 60,593.52 = 14,092.88 : x
  2. Step 2: Convert to fraction form
    40,392/60,593.52 = 14,092.88/x
  3. Step 3: Cross multiply
    40,392x = 60,593.52 × 14,092.88
  4. Step 4: Simplify right side
    40,392x = 853,937,206.14
  5. Step 5: Solve for x
    x = 853,937,206.14/40,392
  6. Step 6: Final answer
    x = 21,141.25

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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.