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Finding the Fourth Proportional to 62,456, 93,677.10 and 15,708.90

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Solution

The fourth proportional to 62,456, 93,677.10 and 15,708.90 is: 23,561.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,456 : 93,677.10 = 15,708.90 : x
  2. Step 2: Convert to fraction form
    62,456/93,677.10 = 15,708.90/x
  3. Step 3: Cross multiply
    62,456x = 93,677.10 × 15,708.90
  4. Step 4: Simplify right side
    62,456x = 1,471,564,196.19
  5. Step 5: Solve for x
    x = 1,471,564,196.19/62,456
  6. Step 6: Final answer
    x = 23,561.61

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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.