Home / 21,821.92-32,727.30-9,343.96

Finding the Fourth Proportional to 21,821.92, 32,727.30 and 9,343.96

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Solution

The fourth proportional to 21,821.92, 32,727.30 and 9,343.96 is: 14,013.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,821.92 : 32,727.30 = 9,343.96 : x
  2. Step 2: Convert to fraction form
    21,821.92/32,727.30 = 9,343.96/x
  3. Step 3: Cross multiply
    21,821.92x = 32,727.30 × 9,343.96
  4. Step 4: Simplify right side
    21,821.92x = 305,802,582.11
  5. Step 5: Solve for x
    x = 305,802,582.11/21,821.92
  6. Step 6: Final answer
    x = 14,013.55

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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.