Home / 21,791.75-32,705.14-11,264.87

Finding the Fourth Proportional to 21,791.75, 32,705.14 and 11,264.87

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Solution

The fourth proportional to 21,791.75, 32,705.14 and 11,264.87 is: 16,906.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,791.75 : 32,705.14 = 11,264.87 : x
  2. Step 2: Convert to fraction form
    21,791.75/32,705.14 = 11,264.87/x
  3. Step 3: Cross multiply
    21,791.75x = 32,705.14 × 11,264.87
  4. Step 4: Simplify right side
    21,791.75x = 368,418,958.74
  5. Step 5: Solve for x
    x = 368,418,958.74/21,791.75
  6. Step 6: Final answer
    x = 16,906.35

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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.