Home / 26,321.55-39,488.82-18,545.55

Finding the Fourth Proportional to 26,321.55, 39,488.82 and 18,545.55

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Solution

The fourth proportional to 26,321.55, 39,488.82 and 18,545.55 is: 27,822.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,321.55 : 39,488.82 = 18,545.55 : x
  2. Step 2: Convert to fraction form
    26,321.55/39,488.82 = 18,545.55/x
  3. Step 3: Cross multiply
    26,321.55x = 39,488.82 × 18,545.55
  4. Step 4: Simplify right side
    26,321.55x = 732,341,885.75
  5. Step 5: Solve for x
    x = 732,341,885.75/26,321.55
  6. Step 6: Final answer
    x = 27,822.90

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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.