Home / 25,630.76-38,458.40-13,943.97

Finding the Fourth Proportional to 25,630.76, 38,458.40 and 13,943.97

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Solution

The fourth proportional to 25,630.76, 38,458.40 and 13,943.97 is: 20,922.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,630.76 : 38,458.40 = 13,943.97 : x
  2. Step 2: Convert to fraction form
    25,630.76/38,458.40 = 13,943.97/x
  3. Step 3: Cross multiply
    25,630.76x = 38,458.40 × 13,943.97
  4. Step 4: Simplify right side
    25,630.76x = 536,262,706.13
  5. Step 5: Solve for x
    x = 536,262,706.13/25,630.76
  6. Step 6: Final answer
    x = 20,922.62

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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.