Home / 28,175.22-42,282-15,037.02

Finding the Fourth Proportional to 28,175.22, 42,282 and 15,037.02

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Solution

The fourth proportional to 28,175.22, 42,282 and 15,037.02 is: 22,565.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,175.22 : 42,282 = 15,037.02 : x
  2. Step 2: Convert to fraction form
    28,175.22/42,282 = 15,037.02/x
  3. Step 3: Cross multiply
    28,175.22x = 42,282 × 15,037.02
  4. Step 4: Simplify right side
    28,175.22x = 635,795,279.64
  5. Step 5: Solve for x
    x = 635,795,279.64/28,175.22
  6. Step 6: Final answer
    x = 22,565.76

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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.