Home / 28,382.58-42,508.26-27,398.43

Finding the Fourth Proportional to 28,382.58, 42,508.26 and 27,398.43

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Solution

The fourth proportional to 28,382.58, 42,508.26 and 27,398.43 is: 41,034.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,382.58 : 42,508.26 = 27,398.43 : x
  2. Step 2: Convert to fraction form
    28,382.58/42,508.26 = 27,398.43/x
  3. Step 3: Cross multiply
    28,382.58x = 42,508.26 × 27,398.43
  4. Step 4: Simplify right side
    28,382.58x = 1,164,659,586.03
  5. Step 5: Solve for x
    x = 1,164,659,586.03/28,382.58
  6. Step 6: Final answer
    x = 41,034.31

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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.