Home / 26,049.09-39,078.50-8,519.88

Finding the Fourth Proportional to 26,049.09, 39,078.50 and 8,519.88

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Solution

The fourth proportional to 26,049.09, 39,078.50 and 8,519.88 is: 12,781.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,049.09 : 39,078.50 = 8,519.88 : x
  2. Step 2: Convert to fraction form
    26,049.09/39,078.50 = 8,519.88/x
  3. Step 3: Cross multiply
    26,049.09x = 39,078.50 × 8,519.88
  4. Step 4: Simplify right side
    26,049.09x = 332,944,087.98
  5. Step 5: Solve for x
    x = 332,944,087.98/26,049.09
  6. Step 6: Final answer
    x = 12,781.41

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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.