Home / 19,772.80-29,654.52-5,729.11

Finding the Fourth Proportional to 19,772.80, 29,654.52 and 5,729.11

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Solution

The fourth proportional to 19,772.80, 29,654.52 and 5,729.11 is: 8,592.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,772.80 : 29,654.52 = 5,729.11 : x
  2. Step 2: Convert to fraction form
    19,772.80/29,654.52 = 5,729.11/x
  3. Step 3: Cross multiply
    19,772.80x = 29,654.52 × 5,729.11
  4. Step 4: Simplify right side
    19,772.80x = 169,894,007.08
  5. Step 5: Solve for x
    x = 169,894,007.08/19,772.80
  6. Step 6: Final answer
    x = 8,592.31

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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.