Home / 26,679.52-39,997.68-11,108.80

Finding the Fourth Proportional to 26,679.52, 39,997.68 and 11,108.80

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Solution

The fourth proportional to 26,679.52, 39,997.68 and 11,108.80 is: 16,654.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,679.52 : 39,997.68 = 11,108.80 : x
  2. Step 2: Convert to fraction form
    26,679.52/39,997.68 = 11,108.80/x
  3. Step 3: Cross multiply
    26,679.52x = 39,997.68 × 11,108.80
  4. Step 4: Simplify right side
    26,679.52x = 444,326,227.58
  5. Step 5: Solve for x
    x = 444,326,227.58/26,679.52
  6. Step 6: Final answer
    x = 16,654.21

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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.