Home / 21,982.26-32,960.97-8,659.38

Finding the Fourth Proportional to 21,982.26, 32,960.97 and 8,659.38

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Solution

The fourth proportional to 21,982.26, 32,960.97 and 8,659.38 is: 12,984.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,982.26 : 32,960.97 = 8,659.38 : x
  2. Step 2: Convert to fraction form
    21,982.26/32,960.97 = 8,659.38/x
  3. Step 3: Cross multiply
    21,982.26x = 32,960.97 × 8,659.38
  4. Step 4: Simplify right side
    21,982.26x = 285,421,564.40
  5. Step 5: Solve for x
    x = 285,421,564.40/21,982.26
  6. Step 6: Final answer
    x = 12,984.18

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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.