Home / 22,294.64-33,439.23-12,939.75

Finding the Fourth Proportional to 22,294.64, 33,439.23 and 12,939.75

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Solution

The fourth proportional to 22,294.64, 33,439.23 and 12,939.75 is: 19,408.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,294.64 : 33,439.23 = 12,939.75 : x
  2. Step 2: Convert to fraction form
    22,294.64/33,439.23 = 12,939.75/x
  3. Step 3: Cross multiply
    22,294.64x = 33,439.23 × 12,939.75
  4. Step 4: Simplify right side
    22,294.64x = 432,695,276.39
  5. Step 5: Solve for x
    x = 432,695,276.39/22,294.64
  6. Step 6: Final answer
    x = 19,408.04

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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.