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Finding the Fourth Proportional to 22,503.92, 33,756.17 and 21,134.00

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Solution

The fourth proportional to 22,503.92, 33,756.17 and 21,134.00 is: 31,701.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,503.92 : 33,756.17 = 21,134.00 : x
  2. Step 2: Convert to fraction form
    22,503.92/33,756.17 = 21,134.00/x
  3. Step 3: Cross multiply
    22,503.92x = 33,756.17 × 21,134.00
  4. Step 4: Simplify right side
    22,503.92x = 713,402,622.33
  5. Step 5: Solve for x
    x = 713,402,622.33/22,503.92
  6. Step 6: Final answer
    x = 31,701.27

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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.