Home / 25,942.12-38,899.26-8,169.44

Finding the Fourth Proportional to 25,942.12, 38,899.26 and 8,169.44

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Solution

The fourth proportional to 25,942.12, 38,899.26 and 8,169.44 is: 12,249.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,942.12 : 38,899.26 = 8,169.44 : x
  2. Step 2: Convert to fraction form
    25,942.12/38,899.26 = 8,169.44/x
  3. Step 3: Cross multiply
    25,942.12x = 38,899.26 × 8,169.44
  4. Step 4: Simplify right side
    25,942.12x = 317,785,170.61
  5. Step 5: Solve for x
    x = 317,785,170.61/25,942.12
  6. Step 6: Final answer
    x = 12,249.78

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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.