Home / 22,729.11-33,974.00-19,743.90

Finding the Fourth Proportional to 22,729.11, 33,974.00 and 19,743.90

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Solution

The fourth proportional to 22,729.11, 33,974.00 and 19,743.90 is: 29,511.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,729.11 : 33,974.00 = 19,743.90 : x
  2. Step 2: Convert to fraction form
    22,729.11/33,974.00 = 19,743.90/x
  3. Step 3: Cross multiply
    22,729.11x = 33,974.00 × 19,743.90
  4. Step 4: Simplify right side
    22,729.11x = 670,779,159.88
  5. Step 5: Solve for x
    x = 670,779,159.88/22,729.11
  6. Step 6: Final answer
    x = 29,511.90

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.