Home / 26,451.18-39,650.85-10,879.74

Finding the Fourth Proportional to 26,451.18, 39,650.85 and 10,879.74

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Solution

The fourth proportional to 26,451.18, 39,650.85 and 10,879.74 is: 16,308.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,451.18 : 39,650.85 = 10,879.74 : x
  2. Step 2: Convert to fraction form
    26,451.18/39,650.85 = 10,879.74/x
  3. Step 3: Cross multiply
    26,451.18x = 39,650.85 × 10,879.74
  4. Step 4: Simplify right side
    26,451.18x = 431,390,938.78
  5. Step 5: Solve for x
    x = 431,390,938.78/26,451.18
  6. Step 6: Final answer
    x = 16,308.95

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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.