Home / 26,387.55-39,566.15-8,125.30

Finding the Fourth Proportional to 26,387.55, 39,566.15 and 8,125.30

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Solution

The fourth proportional to 26,387.55, 39,566.15 and 8,125.30 is: 12,183.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,387.55 : 39,566.15 = 8,125.30 : x
  2. Step 2: Convert to fraction form
    26,387.55/39,566.15 = 8,125.30/x
  3. Step 3: Cross multiply
    26,387.55x = 39,566.15 × 8,125.30
  4. Step 4: Simplify right side
    26,387.55x = 321,486,711.73
  5. Step 5: Solve for x
    x = 321,486,711.73/26,387.55
  6. Step 6: Final answer
    x = 12,183.27

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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.