Home / 28,652.20-42,952.38-10,179.88

Finding the Fourth Proportional to 28,652.20, 42,952.38 and 10,179.88

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Solution

The fourth proportional to 28,652.20, 42,952.38 and 10,179.88 is: 15,260.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,652.20 : 42,952.38 = 10,179.88 : x
  2. Step 2: Convert to fraction form
    28,652.20/42,952.38 = 10,179.88/x
  3. Step 3: Cross multiply
    28,652.20x = 42,952.38 × 10,179.88
  4. Step 4: Simplify right side
    28,652.20x = 437,250,074.11
  5. Step 5: Solve for x
    x = 437,250,074.11/28,652.20
  6. Step 6: Final answer
    x = 15,260.61

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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.