Home / 18,380.31-27,570.53-5,232.79

Finding the Fourth Proportional to 18,380.31, 27,570.53 and 5,232.79

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Solution

The fourth proportional to 18,380.31, 27,570.53 and 5,232.79 is: 7,849.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,380.31 : 27,570.53 = 5,232.79 : x
  2. Step 2: Convert to fraction form
    18,380.31/27,570.53 = 5,232.79/x
  3. Step 3: Cross multiply
    18,380.31x = 27,570.53 × 5,232.79
  4. Step 4: Simplify right side
    18,380.31x = 144,270,793.68
  5. Step 5: Solve for x
    x = 144,270,793.68/18,380.31
  6. Step 6: Final answer
    x = 7,849.20

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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.