Home / 18,542.24-27,819.30-5,395.40

Finding the Fourth Proportional to 18,542.24, 27,819.30 and 5,395.40

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Solution

The fourth proportional to 18,542.24, 27,819.30 and 5,395.40 is: 8,094.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,542.24 : 27,819.30 = 5,395.40 : x
  2. Step 2: Convert to fraction form
    18,542.24/27,819.30 = 5,395.40/x
  3. Step 3: Cross multiply
    18,542.24x = 27,819.30 × 5,395.40
  4. Step 4: Simplify right side
    18,542.24x = 150,096,251.22
  5. Step 5: Solve for x
    x = 150,096,251.22/18,542.24
  6. Step 6: Final answer
    x = 8,094.83

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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.