Home / 22,689.90-34,039.97-12,704.65

Finding the Fourth Proportional to 22,689.90, 34,039.97 and 12,704.65

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Solution

The fourth proportional to 22,689.90, 34,039.97 and 12,704.65 is: 19,059.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,689.90 : 34,039.97 = 12,704.65 : x
  2. Step 2: Convert to fraction form
    22,689.90/34,039.97 = 12,704.65/x
  3. Step 3: Cross multiply
    22,689.90x = 34,039.97 × 12,704.65
  4. Step 4: Simplify right side
    22,689.90x = 432,465,839.61
  5. Step 5: Solve for x
    x = 432,465,839.61/22,689.90
  6. Step 6: Final answer
    x = 19,059.84

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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.