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Finding the Fourth Proportional to 17,076.10, 25,614.15 and 15,545.20

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Solution

The fourth proportional to 17,076.10, 25,614.15 and 15,545.20 is: 23,317.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,076.10 : 25,614.15 = 15,545.20 : x
  2. Step 2: Convert to fraction form
    17,076.10/25,614.15 = 15,545.20/x
  3. Step 3: Cross multiply
    17,076.10x = 25,614.15 × 15,545.20
  4. Step 4: Simplify right side
    17,076.10x = 398,177,084.58
  5. Step 5: Solve for x
    x = 398,177,084.58/17,076.10
  6. Step 6: Final answer
    x = 23,317.80

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1.5x scale

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.