Home / 23,029.12-34,542.11-8,986.55

Finding the Fourth Proportional to 23,029.12, 34,542.11 and 8,986.55

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Solution

The fourth proportional to 23,029.12, 34,542.11 and 8,986.55 is: 13,479.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,029.12 : 34,542.11 = 8,986.55 : x
  2. Step 2: Convert to fraction form
    23,029.12/34,542.11 = 8,986.55/x
  3. Step 3: Cross multiply
    23,029.12x = 34,542.11 × 8,986.55
  4. Step 4: Simplify right side
    23,029.12x = 310,414,398.62
  5. Step 5: Solve for x
    x = 310,414,398.62/23,029.12
  6. Step 6: Final answer
    x = 13,479.21

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1.5x scale

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.