Home / 57,623.52-86,387.76-18,156

Finding the Fourth Proportional to 57,623.52, 86,387.76 and 18,156

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Solution

The fourth proportional to 57,623.52, 86,387.76 and 18,156 is: 27,219.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,623.52 : 86,387.76 = 18,156 : x
  2. Step 2: Convert to fraction form
    57,623.52/86,387.76 = 18,156/x
  3. Step 3: Cross multiply
    57,623.52x = 86,387.76 × 18,156
  4. Step 4: Simplify right side
    57,623.52x = 1,568,456,170.56
  5. Step 5: Solve for x
    x = 1,568,456,170.56/57,623.52
  6. Step 6: Final answer
    x = 27,219.03

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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.