Home / 19,825.89-29,729.41-11,508.47

Finding the Fourth Proportional to 19,825.89, 29,729.41 and 11,508.47

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Solution

The fourth proportional to 19,825.89, 29,729.41 and 11,508.47 is: 17,257.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,825.89 : 29,729.41 = 11,508.47 : x
  2. Step 2: Convert to fraction form
    19,825.89/29,729.41 = 11,508.47/x
  3. Step 3: Cross multiply
    19,825.89x = 29,729.41 × 11,508.47
  4. Step 4: Simplify right side
    19,825.89x = 342,140,023.10
  5. Step 5: Solve for x
    x = 342,140,023.10/19,825.89
  6. Step 6: Final answer
    x = 17,257.23

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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.