Home / 22,294.27-33,438.67-12,939.38

Finding the Fourth Proportional to 22,294.27, 33,438.67 and 12,939.38

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Solution

The fourth proportional to 22,294.27, 33,438.67 and 12,939.38 is: 19,407.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,294.27 : 33,438.67 = 12,939.38 : x
  2. Step 2: Convert to fraction form
    22,294.27/33,438.67 = 12,939.38/x
  3. Step 3: Cross multiply
    22,294.27x = 33,438.67 × 12,939.38
  4. Step 4: Simplify right side
    22,294.27x = 432,675,425.93
  5. Step 5: Solve for x
    x = 432,675,425.93/22,294.27
  6. Step 6: Final answer
    x = 19,407.47

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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.