Home / 18,932.82-28,399.23-5,082.18

Finding the Fourth Proportional to 18,932.82, 28,399.23 and 5,082.18

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Solution

The fourth proportional to 18,932.82, 28,399.23 and 5,082.18 is: 7,623.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,932.82 : 28,399.23 = 5,082.18 : x
  2. Step 2: Convert to fraction form
    18,932.82/28,399.23 = 5,082.18/x
  3. Step 3: Cross multiply
    18,932.82x = 28,399.23 × 5,082.18
  4. Step 4: Simplify right side
    18,932.82x = 144,329,998.72
  5. Step 5: Solve for x
    x = 144,329,998.72/18,932.82
  6. Step 6: Final answer
    x = 7,623.27

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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.