Home / 19,729.10-29,589.30-5,686.03

Finding the Fourth Proportional to 19,729.10, 29,589.30 and 5,686.03

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Solution

The fourth proportional to 19,729.10, 29,589.30 and 5,686.03 is: 8,527.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,729.10 : 29,589.30 = 5,686.03 : x
  2. Step 2: Convert to fraction form
    19,729.10/29,589.30 = 5,686.03/x
  3. Step 3: Cross multiply
    19,729.10x = 29,589.30 × 5,686.03
  4. Step 4: Simplify right side
    19,729.10x = 168,245,684.47
  5. Step 5: Solve for x
    x = 168,245,684.47/19,729.10
  6. Step 6: Final answer
    x = 8,527.79

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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.