Home / 26,414.80-39,612.60-8,885.20

Finding the Fourth Proportional to 26,414.80, 39,612.60 and 8,885.20

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Solution

The fourth proportional to 26,414.80, 39,612.60 and 8,885.20 is: 13,324.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,414.80 : 39,612.60 = 8,885.20 : x
  2. Step 2: Convert to fraction form
    26,414.80/39,612.60 = 8,885.20/x
  3. Step 3: Cross multiply
    26,414.80x = 39,612.60 × 8,885.20
  4. Step 4: Simplify right side
    26,414.80x = 351,965,873.52
  5. Step 5: Solve for x
    x = 351,965,873.52/26,414.80
  6. Step 6: Final answer
    x = 13,324.57

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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.