Home / 26,639.43-39,961.31-8,869.46

Finding the Fourth Proportional to 26,639.43, 39,961.31 and 8,869.46

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Solution

The fourth proportional to 26,639.43, 39,961.31 and 8,869.46 is: 13,304.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,639.43 : 39,961.31 = 8,869.46 : x
  2. Step 2: Convert to fraction form
    26,639.43/39,961.31 = 8,869.46/x
  3. Step 3: Cross multiply
    26,639.43x = 39,961.31 × 8,869.46
  4. Step 4: Simplify right side
    26,639.43x = 354,434,996.44
  5. Step 5: Solve for x
    x = 354,434,996.44/26,639.43
  6. Step 6: Final answer
    x = 13,304.90

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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.