Home / 26,149.84-39,229.62-8,620.90

Finding the Fourth Proportional to 26,149.84, 39,229.62 and 8,620.90

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Solution

The fourth proportional to 26,149.84, 39,229.62 and 8,620.90 is: 12,932.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,149.84 : 39,229.62 = 8,620.90 : x
  2. Step 2: Convert to fraction form
    26,149.84/39,229.62 = 8,620.90/x
  3. Step 3: Cross multiply
    26,149.84x = 39,229.62 × 8,620.90
  4. Step 4: Simplify right side
    26,149.84x = 338,194,631.06
  5. Step 5: Solve for x
    x = 338,194,631.06/26,149.84
  6. Step 6: Final answer
    x = 12,932.95

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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.