Home / 21,901.79-32,865.35-9,250.61

Finding the Fourth Proportional to 21,901.79, 32,865.35 and 9,250.61

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Solution

The fourth proportional to 21,901.79, 32,865.35 and 9,250.61 is: 13,881.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,901.79 : 32,865.35 = 9,250.61 : x
  2. Step 2: Convert to fraction form
    21,901.79/32,865.35 = 9,250.61/x
  3. Step 3: Cross multiply
    21,901.79x = 32,865.35 × 9,250.61
  4. Step 4: Simplify right side
    21,901.79x = 304,024,324.78
  5. Step 5: Solve for x
    x = 304,024,324.78/21,901.79
  6. Step 6: Final answer
    x = 13,881.25

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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.