Home / 25,149.66-34,706.56-13,819.90

Finding the Fourth Proportional to 25,149.66, 34,706.56 and 13,819.90

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Solution

The fourth proportional to 25,149.66, 34,706.56 and 13,819.90 is: 19,071.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,149.66 : 34,706.56 = 13,819.90 : x
  2. Step 2: Convert to fraction form
    25,149.66/34,706.56 = 13,819.90/x
  3. Step 3: Cross multiply
    25,149.66x = 34,706.56 × 13,819.90
  4. Step 4: Simplify right side
    25,149.66x = 479,641,188.54
  5. Step 5: Solve for x
    x = 479,641,188.54/25,149.66
  6. Step 6: Final answer
    x = 19,071.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.