Home / 19,067.13-28,617.17-13,227.84

Finding the Fourth Proportional to 19,067.13, 28,617.17 and 13,227.84

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Solution

The fourth proportional to 19,067.13, 28,617.17 and 13,227.84 is: 19,853.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,067.13 : 28,617.17 = 13,227.84 : x
  2. Step 2: Convert to fraction form
    19,067.13/28,617.17 = 13,227.84/x
  3. Step 3: Cross multiply
    19,067.13x = 28,617.17 × 13,227.84
  4. Step 4: Simplify right side
    19,067.13x = 378,543,279.87
  5. Step 5: Solve for x
    x = 378,543,279.87/19,067.13
  6. Step 6: Final answer
    x = 19,853.19

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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.