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Finding the Fourth Proportional to 22,503.30, 33,723.26 and 17,217.86

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Solution

The fourth proportional to 22,503.30, 33,723.26 and 17,217.86 is: 25,802.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,503.30 : 33,723.26 = 17,217.86 : x
  2. Step 2: Convert to fraction form
    22,503.30/33,723.26 = 17,217.86/x
  3. Step 3: Cross multiply
    22,503.30x = 33,723.26 × 17,217.86
  4. Step 4: Simplify right side
    22,503.30x = 580,642,114.72
  5. Step 5: Solve for x
    x = 580,642,114.72/22,503.30
  6. Step 6: Final answer
    x = 25,802.53

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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.