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Finding the Fourth Proportional to 43,657.92, 60,248.88 and 25,757.28

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Solution

The fourth proportional to 43,657.92, 60,248.88 and 25,757.28 is: 35,545.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,657.92 : 60,248.88 = 25,757.28 : x
  2. Step 2: Convert to fraction form
    43,657.92/60,248.88 = 25,757.28/x
  3. Step 3: Cross multiply
    43,657.92x = 60,248.88 × 25,757.28
  4. Step 4: Simplify right side
    43,657.92x = 1,551,847,271.85
  5. Step 5: Solve for x
    x = 1,551,847,271.85/43,657.92
  6. Step 6: Final answer
    x = 35,545.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.