Home / 27,982.80-41,974.20-19,672.20

Finding the Fourth Proportional to 27,982.80, 41,974.20 and 19,672.20

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Solution

The fourth proportional to 27,982.80, 41,974.20 and 19,672.20 is: 29,508.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,982.80 : 41,974.20 = 19,672.20 : x
  2. Step 2: Convert to fraction form
    27,982.80/41,974.20 = 19,672.20/x
  3. Step 3: Cross multiply
    27,982.80x = 41,974.20 × 19,672.20
  4. Step 4: Simplify right side
    27,982.80x = 825,724,857.24
  5. Step 5: Solve for x
    x = 825,724,857.24/27,982.80
  6. Step 6: Final answer
    x = 29,508.30

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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.