Home / 18,533.24-27,810.51-18,382.78

Finding the Fourth Proportional to 18,533.24, 27,810.51 and 18,382.78

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Solution

The fourth proportional to 18,533.24, 27,810.51 and 18,382.78 is: 27,584.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,533.24 : 27,810.51 = 18,382.78 : x
  2. Step 2: Convert to fraction form
    18,533.24/27,810.51 = 18,382.78/x
  3. Step 3: Cross multiply
    18,533.24x = 27,810.51 × 18,382.78
  4. Step 4: Simplify right side
    18,533.24x = 511,234,452.85
  5. Step 5: Solve for x
    x = 511,234,452.85/18,533.24
  6. Step 6: Final answer
    x = 27,584.73

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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.