Home / 18,535.52-27,804.80-5,387.88

Finding the Fourth Proportional to 18,535.52, 27,804.80 and 5,387.88

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Solution

The fourth proportional to 18,535.52, 27,804.80 and 5,387.88 is: 8,082.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,535.52 : 27,804.80 = 5,387.88 : x
  2. Step 2: Convert to fraction form
    18,535.52/27,804.80 = 5,387.88/x
  3. Step 3: Cross multiply
    18,535.52x = 27,804.80 × 5,387.88
  4. Step 4: Simplify right side
    18,535.52x = 149,808,939.29
  5. Step 5: Solve for x
    x = 149,808,939.29/18,535.52
  6. Step 6: Final answer
    x = 8,082.26

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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.