Home / 18,589.80-27,884.70-5,442.17

Finding the Fourth Proportional to 18,589.80, 27,884.70 and 5,442.17

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Solution

The fourth proportional to 18,589.80, 27,884.70 and 5,442.17 is: 8,163.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,589.80 : 27,884.70 = 5,442.17 : x
  2. Step 2: Convert to fraction form
    18,589.80/27,884.70 = 5,442.17/x
  3. Step 3: Cross multiply
    18,589.80x = 27,884.70 × 5,442.17
  4. Step 4: Simplify right side
    18,589.80x = 151,753,264.19
  5. Step 5: Solve for x
    x = 151,753,264.19/18,589.80
  6. Step 6: Final answer
    x = 8,163.25

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Similar ratio
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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.