Home / 26,601.57-39,906.68-8,129.25

Finding the Fourth Proportional to 26,601.57, 39,906.68 and 8,129.25

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Solution

The fourth proportional to 26,601.57, 39,906.68 and 8,129.25 is: 12,195.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,601.57 : 39,906.68 = 8,129.25 : x
  2. Step 2: Convert to fraction form
    26,601.57/39,906.68 = 8,129.25/x
  3. Step 3: Cross multiply
    26,601.57x = 39,906.68 × 8,129.25
  4. Step 4: Simplify right side
    26,601.57x = 324,411,337.74
  5. Step 5: Solve for x
    x = 324,411,337.74/26,601.57
  6. Step 6: Final answer
    x = 12,195.20

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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.