Home / 26,781.73-40,172.38-8,061.68

Finding the Fourth Proportional to 26,781.73, 40,172.38 and 8,061.68

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Solution

The fourth proportional to 26,781.73, 40,172.38 and 8,061.68 is: 12,092.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,781.73 : 40,172.38 = 8,061.68 : x
  2. Step 2: Convert to fraction form
    26,781.73/40,172.38 = 8,061.68/x
  3. Step 3: Cross multiply
    26,781.73x = 40,172.38 × 8,061.68
  4. Step 4: Simplify right side
    26,781.73x = 323,856,872.40
  5. Step 5: Solve for x
    x = 323,856,872.40/26,781.73
  6. Step 6: Final answer
    x = 12,092.46

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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.