Home / 26,441.87-39,638.50-11,439.61

Finding the Fourth Proportional to 26,441.87, 39,638.50 and 11,439.61

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Solution

The fourth proportional to 26,441.87, 39,638.50 and 11,439.61 is: 17,148.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,441.87 : 39,638.50 = 11,439.61 : x
  2. Step 2: Convert to fraction form
    26,441.87/39,638.50 = 11,439.61/x
  3. Step 3: Cross multiply
    26,441.87x = 39,638.50 × 11,439.61
  4. Step 4: Simplify right side
    26,441.87x = 453,448,853.29
  5. Step 5: Solve for x
    x = 453,448,853.29/26,441.87
  6. Step 6: Final answer
    x = 17,148.90

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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.