Home / 25,272.17-37,891.35-17,781.86

Finding the Fourth Proportional to 25,272.17, 37,891.35 and 17,781.86

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Solution

The fourth proportional to 25,272.17, 37,891.35 and 17,781.86 is: 26,660.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,272.17 : 37,891.35 = 17,781.86 : x
  2. Step 2: Convert to fraction form
    25,272.17/37,891.35 = 17,781.86/x
  3. Step 3: Cross multiply
    25,272.17x = 37,891.35 × 17,781.86
  4. Step 4: Simplify right side
    25,272.17x = 673,778,680.91
  5. Step 5: Solve for x
    x = 673,778,680.91/25,272.17
  6. Step 6: Final answer
    x = 26,660.90

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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.