Home / 19,657.36-29,535-17,445.52

Finding the Fourth Proportional to 19,657.36, 29,535 and 17,445.52

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Solution

The fourth proportional to 19,657.36, 29,535 and 17,445.52 is: 26,211.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,657.36 : 29,535 = 17,445.52 : x
  2. Step 2: Convert to fraction form
    19,657.36/29,535 = 17,445.52/x
  3. Step 3: Cross multiply
    19,657.36x = 29,535 × 17,445.52
  4. Step 4: Simplify right side
    19,657.36x = 515,253,433.20
  5. Step 5: Solve for x
    x = 515,253,433.20/19,657.36
  6. Step 6: Final answer
    x = 26,211.73

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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.