Home / 23,217.20-34,768.20-18,609.20

Finding the Fourth Proportional to 23,217.20, 34,768.20 and 18,609.20

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Solution

The fourth proportional to 23,217.20, 34,768.20 and 18,609.20 is: 27,867.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,217.20 : 34,768.20 = 18,609.20 : x
  2. Step 2: Convert to fraction form
    23,217.20/34,768.20 = 18,609.20/x
  3. Step 3: Cross multiply
    23,217.20x = 34,768.20 × 18,609.20
  4. Step 4: Simplify right side
    23,217.20x = 647,008,387.44
  5. Step 5: Solve for x
    x = 647,008,387.44/23,217.20
  6. Step 6: Final answer
    x = 27,867.63

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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.