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Finding the Fourth Proportional to 34,691.16, 52,036.88 and 8,395.88

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Solution

The fourth proportional to 34,691.16, 52,036.88 and 8,395.88 is: 12,593.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,691.16 : 52,036.88 = 8,395.88 : x
  2. Step 2: Convert to fraction form
    34,691.16/52,036.88 = 8,395.88/x
  3. Step 3: Cross multiply
    34,691.16x = 52,036.88 × 8,395.88
  4. Step 4: Simplify right side
    34,691.16x = 436,895,400.05
  5. Step 5: Solve for x
    x = 436,895,400.05/34,691.16
  6. Step 6: Final answer
    x = 12,593.85

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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.