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Finding the Fourth Proportional to 22,778.60, 34,167.90 and 8,004.20

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Solution

The fourth proportional to 22,778.60, 34,167.90 and 8,004.20 is: 12,006.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,778.60 : 34,167.90 = 8,004.20 : x
  2. Step 2: Convert to fraction form
    22,778.60/34,167.90 = 8,004.20/x
  3. Step 3: Cross multiply
    22,778.60x = 34,167.90 × 8,004.20
  4. Step 4: Simplify right side
    22,778.60x = 273,486,705.18
  5. Step 5: Solve for x
    x = 273,486,705.18/22,778.60
  6. Step 6: Final answer
    x = 12,006.30

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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.