Home / 18,025.78-27,042.63-5,546.71

Finding the Fourth Proportional to 18,025.78, 27,042.63 and 5,546.71

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Solution

The fourth proportional to 18,025.78, 27,042.63 and 5,546.71 is: 8,321.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,025.78 : 27,042.63 = 5,546.71 : x
  2. Step 2: Convert to fraction form
    18,025.78/27,042.63 = 5,546.71/x
  3. Step 3: Cross multiply
    18,025.78x = 27,042.63 × 5,546.71
  4. Step 4: Simplify right side
    18,025.78x = 149,997,626.25
  5. Step 5: Solve for x
    x = 149,997,626.25/18,025.78
  6. Step 6: Final answer
    x = 8,321.28

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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.