Home / 26,385.95-39,582.97-8,851.68

Finding the Fourth Proportional to 26,385.95, 39,582.97 and 8,851.68

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Solution

The fourth proportional to 26,385.95, 39,582.97 and 8,851.68 is: 13,278.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,385.95 : 39,582.97 = 8,851.68 : x
  2. Step 2: Convert to fraction form
    26,385.95/39,582.97 = 8,851.68/x
  3. Step 3: Cross multiply
    26,385.95x = 39,582.97 × 8,851.68
  4. Step 4: Simplify right side
    26,385.95x = 350,375,761.76
  5. Step 5: Solve for x
    x = 350,375,761.76/26,385.95
  6. Step 6: Final answer
    x = 13,278.87

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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.