Home / 25,691.33-35,456.58-15,080.73

Finding the Fourth Proportional to 25,691.33, 35,456.58 and 15,080.73

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Solution

The fourth proportional to 25,691.33, 35,456.58 and 15,080.73 is: 20,812.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,691.33 : 35,456.58 = 15,080.73 : x
  2. Step 2: Convert to fraction form
    25,691.33/35,456.58 = 15,080.73/x
  3. Step 3: Cross multiply
    25,691.33x = 35,456.58 × 15,080.73
  4. Step 4: Simplify right side
    25,691.33x = 534,711,109.70
  5. Step 5: Solve for x
    x = 534,711,109.70/25,691.33
  6. Step 6: Final answer
    x = 20,812.91

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1.5x scale

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.