Home / 21,935.97-32,913.68-8,081.73

Finding the Fourth Proportional to 21,935.97, 32,913.68 and 8,081.73

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Solution

The fourth proportional to 21,935.97, 32,913.68 and 8,081.73 is: 12,126.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,935.97 : 32,913.68 = 8,081.73 : x
  2. Step 2: Convert to fraction form
    21,935.97/32,913.68 = 8,081.73/x
  3. Step 3: Cross multiply
    21,935.97x = 32,913.68 × 8,081.73
  4. Step 4: Simplify right side
    21,935.97x = 265,999,434.66
  5. Step 5: Solve for x
    x = 265,999,434.66/21,935.97
  6. Step 6: Final answer
    x = 12,126.18

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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.