Home / 26,167.20-36,105.84-15,559.44

Finding the Fourth Proportional to 26,167.20, 36,105.84 and 15,559.44

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Solution

The fourth proportional to 26,167.20, 36,105.84 and 15,559.44 is: 21,469.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,167.20 : 36,105.84 = 15,559.44 : x
  2. Step 2: Convert to fraction form
    26,167.20/36,105.84 = 15,559.44/x
  3. Step 3: Cross multiply
    26,167.20x = 36,105.84 × 15,559.44
  4. Step 4: Simplify right side
    26,167.20x = 561,786,651.13
  5. Step 5: Solve for x
    x = 561,786,651.13/26,167.20
  6. Step 6: Final answer
    x = 21,469.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.