Home / 18,255.20-27,382.62-5,775.23

Finding the Fourth Proportional to 18,255.20, 27,382.62 and 5,775.23

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Solution

The fourth proportional to 18,255.20, 27,382.62 and 5,775.23 is: 8,662.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,255.20 : 27,382.62 = 5,775.23 : x
  2. Step 2: Convert to fraction form
    18,255.20/27,382.62 = 5,775.23/x
  3. Step 3: Cross multiply
    18,255.20x = 27,382.62 × 5,775.23
  4. Step 4: Simplify right side
    18,255.20x = 158,140,928.50
  5. Step 5: Solve for x
    x = 158,140,928.50/18,255.20
  6. Step 6: Final answer
    x = 8,662.79

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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.