Home / 26,543.28-39,839.54-13,404.89

Finding the Fourth Proportional to 26,543.28, 39,839.54 and 13,404.89

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Solution

The fourth proportional to 26,543.28, 39,839.54 and 13,404.89 is: 20,119.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,543.28 : 39,839.54 = 13,404.89 : x
  2. Step 2: Convert to fraction form
    26,543.28/39,839.54 = 13,404.89/x
  3. Step 3: Cross multiply
    26,543.28x = 39,839.54 × 13,404.89
  4. Step 4: Simplify right side
    26,543.28x = 534,044,385.13
  5. Step 5: Solve for x
    x = 534,044,385.13/26,543.28
  6. Step 6: Final answer
    x = 20,119.76

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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.