Home / 26,249.62-39,352.12-12,217.79

Finding the Fourth Proportional to 26,249.62, 39,352.12 and 12,217.79

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Solution

The fourth proportional to 26,249.62, 39,352.12 and 12,217.79 is: 18,316.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,249.62 : 39,352.12 = 12,217.79 : x
  2. Step 2: Convert to fraction form
    26,249.62/39,352.12 = 12,217.79/x
  3. Step 3: Cross multiply
    26,249.62x = 39,352.12 × 12,217.79
  4. Step 4: Simplify right side
    26,249.62x = 480,795,710.91
  5. Step 5: Solve for x
    x = 480,795,710.91/26,249.62
  6. Step 6: Final answer
    x = 18,316.29

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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.