Home / 26,781.71-40,169.05-7,061.82

Finding the Fourth Proportional to 26,781.71, 40,169.05 and 7,061.82

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Solution

The fourth proportional to 26,781.71, 40,169.05 and 7,061.82 is: 10,591.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,781.71 : 40,169.05 = 7,061.82 : x
  2. Step 2: Convert to fraction form
    26,781.71/40,169.05 = 7,061.82/x
  3. Step 3: Cross multiply
    26,781.71x = 40,169.05 × 7,061.82
  4. Step 4: Simplify right side
    26,781.71x = 283,666,432.38
  5. Step 5: Solve for x
    x = 283,666,432.38/26,781.71
  6. Step 6: Final answer
    x = 10,591.80

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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.