Home / 21,272.04-31,906.17-6,484.41

Finding the Fourth Proportional to 21,272.04, 31,906.17 and 6,484.41

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Solution

The fourth proportional to 21,272.04, 31,906.17 and 6,484.41 is: 9,726.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,272.04 : 31,906.17 = 6,484.41 : x
  2. Step 2: Convert to fraction form
    21,272.04/31,906.17 = 6,484.41/x
  3. Step 3: Cross multiply
    21,272.04x = 31,906.17 × 6,484.41
  4. Step 4: Simplify right side
    21,272.04x = 206,892,687.81
  5. Step 5: Solve for x
    x = 206,892,687.81/21,272.04
  6. Step 6: Final answer
    x = 9,726.04

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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.