Home / 21,377.43-32,044.28-10,827.90

Finding the Fourth Proportional to 21,377.43, 32,044.28 and 10,827.90

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Solution

The fourth proportional to 21,377.43, 32,044.28 and 10,827.90 is: 16,230.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,377.43 : 32,044.28 = 10,827.90 : x
  2. Step 2: Convert to fraction form
    21,377.43/32,044.28 = 10,827.90/x
  3. Step 3: Cross multiply
    21,377.43x = 32,044.28 × 10,827.90
  4. Step 4: Simplify right side
    21,377.43x = 346,972,205.27
  5. Step 5: Solve for x
    x = 346,972,205.27/21,377.43
  6. Step 6: Final answer
    x = 16,230.77

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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.