Home / 22,728.20-34,106.49-8,689.41

Finding the Fourth Proportional to 22,728.20, 34,106.49 and 8,689.41

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Solution

The fourth proportional to 22,728.20, 34,106.49 and 8,689.41 is: 13,039.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,728.20 : 34,106.49 = 8,689.41 : x
  2. Step 2: Convert to fraction form
    22,728.20/34,106.49 = 8,689.41/x
  3. Step 3: Cross multiply
    22,728.20x = 34,106.49 × 8,689.41
  4. Step 4: Simplify right side
    22,728.20x = 296,365,275.27
  5. Step 5: Solve for x
    x = 296,365,275.27/22,728.20
  6. Step 6: Final answer
    x = 13,039.54

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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.