Home / 27,508.71-41,258.18-12,512.31

Finding the Fourth Proportional to 27,508.71, 41,258.18 and 12,512.31

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Solution

The fourth proportional to 27,508.71, 41,258.18 and 12,512.31 is: 18,766.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,508.71 : 41,258.18 = 12,512.31 : x
  2. Step 2: Convert to fraction form
    27,508.71/41,258.18 = 12,512.31/x
  3. Step 3: Cross multiply
    27,508.71x = 41,258.18 × 12,512.31
  4. Step 4: Simplify right side
    27,508.71x = 516,235,138.20
  5. Step 5: Solve for x
    x = 516,235,138.20/27,508.71
  6. Step 6: Final answer
    x = 18,766.24

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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.