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Finding the Fourth Proportional to 26,787.60, 40,174.20 and 8,067.60

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Solution

The fourth proportional to 26,787.60, 40,174.20 and 8,067.60 is: 12,099.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,787.60 : 40,174.20 = 8,067.60 : x
  2. Step 2: Convert to fraction form
    26,787.60/40,174.20 = 8,067.60/x
  3. Step 3: Cross multiply
    26,787.60x = 40,174.20 × 8,067.60
  4. Step 4: Simplify right side
    26,787.60x = 324,109,375.92
  5. Step 5: Solve for x
    x = 324,109,375.92/26,787.60
  6. Step 6: Final answer
    x = 12,099.23

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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.