Home / 19,538.40-29,279.61-15,080.52

Finding the Fourth Proportional to 19,538.40, 29,279.61 and 15,080.52

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Solution

The fourth proportional to 19,538.40, 29,279.61 and 15,080.52 is: 22,599.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,538.40 : 29,279.61 = 15,080.52 : x
  2. Step 2: Convert to fraction form
    19,538.40/29,279.61 = 15,080.52/x
  3. Step 3: Cross multiply
    19,538.40x = 29,279.61 × 15,080.52
  4. Step 4: Simplify right side
    19,538.40x = 441,551,744.20
  5. Step 5: Solve for x
    x = 441,551,744.20/19,538.40
  6. Step 6: Final answer
    x = 22,599.18

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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.