Home / 21,246.88-31,884.42-14,234.44

Finding the Fourth Proportional to 21,246.88, 31,884.42 and 14,234.44

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Solution

The fourth proportional to 21,246.88, 31,884.42 and 14,234.44 is: 21,361.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,246.88 : 31,884.42 = 14,234.44 : x
  2. Step 2: Convert to fraction form
    21,246.88/31,884.42 = 14,234.44/x
  3. Step 3: Cross multiply
    21,246.88x = 31,884.42 × 14,234.44
  4. Step 4: Simplify right side
    21,246.88x = 453,856,863.42
  5. Step 5: Solve for x
    x = 453,856,863.42/21,246.88
  6. Step 6: Final answer
    x = 21,361.11

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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.