Home / 27,481.60-41,164.80-18,150.40

Finding the Fourth Proportional to 27,481.60, 41,164.80 and 18,150.40

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Solution

The fourth proportional to 27,481.60, 41,164.80 and 18,150.40 is: 27,187.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,481.60 : 41,164.80 = 18,150.40 : x
  2. Step 2: Convert to fraction form
    27,481.60/41,164.80 = 18,150.40/x
  3. Step 3: Cross multiply
    27,481.60x = 41,164.80 × 18,150.40
  4. Step 4: Simplify right side
    27,481.60x = 747,157,585.92
  5. Step 5: Solve for x
    x = 747,157,585.92/27,481.60
  6. Step 6: Final answer
    x = 27,187.56

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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.