Home / 26,311.43-39,469.14-8,781.23

Finding the Fourth Proportional to 26,311.43, 39,469.14 and 8,781.23

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Solution

The fourth proportional to 26,311.43, 39,469.14 and 8,781.23 is: 13,172.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,311.43 : 39,469.14 = 8,781.23 : x
  2. Step 2: Convert to fraction form
    26,311.43/39,469.14 = 8,781.23/x
  3. Step 3: Cross multiply
    26,311.43x = 39,469.14 × 8,781.23
  4. Step 4: Simplify right side
    26,311.43x = 346,587,398.90
  5. Step 5: Solve for x
    x = 346,587,398.90/26,311.43
  6. Step 6: Final answer
    x = 13,172.51

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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.