Home / 25,545.60-38,318.40-17,672.40

Finding the Fourth Proportional to 25,545.60, 38,318.40 and 17,672.40

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Solution

The fourth proportional to 25,545.60, 38,318.40 and 17,672.40 is: 26,508.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,545.60 : 38,318.40 = 17,672.40 : x
  2. Step 2: Convert to fraction form
    25,545.60/38,318.40 = 17,672.40/x
  3. Step 3: Cross multiply
    25,545.60x = 38,318.40 × 17,672.40
  4. Step 4: Simplify right side
    25,545.60x = 677,178,092.16
  5. Step 5: Solve for x
    x = 677,178,092.16/25,545.60
  6. Step 6: Final answer
    x = 26,508.60

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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.