Home / 26,781.60-40,172.19-8,061.57

Finding the Fourth Proportional to 26,781.60, 40,172.19 and 8,061.57

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Solution

The fourth proportional to 26,781.60, 40,172.19 and 8,061.57 is: 12,092.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,781.60 : 40,172.19 = 8,061.57 : x
  2. Step 2: Convert to fraction form
    26,781.60/40,172.19 = 8,061.57/x
  3. Step 3: Cross multiply
    26,781.60x = 40,172.19 × 8,061.57
  4. Step 4: Simplify right side
    26,781.60x = 323,850,921.74
  5. Step 5: Solve for x
    x = 323,850,921.74/26,781.60
  6. Step 6: Final answer
    x = 12,092.29

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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.