Home / 26,908.29-40,306.83-15,781.47

Finding the Fourth Proportional to 26,908.29, 40,306.83 and 15,781.47

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Solution

The fourth proportional to 26,908.29, 40,306.83 and 15,781.47 is: 23,639.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,908.29 : 40,306.83 = 15,781.47 : x
  2. Step 2: Convert to fraction form
    26,908.29/40,306.83 = 15,781.47/x
  3. Step 3: Cross multiply
    26,908.29x = 40,306.83 × 15,781.47
  4. Step 4: Simplify right side
    26,908.29x = 636,101,028.44
  5. Step 5: Solve for x
    x = 636,101,028.44/26,908.29
  6. Step 6: Final answer
    x = 23,639.59

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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.