Home / 18,882.24-28,320.12-5,028

Finding the Fourth Proportional to 18,882.24, 28,320.12 and 5,028

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Solution

The fourth proportional to 18,882.24, 28,320.12 and 5,028 is: 7,541.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,882.24 : 28,320.12 = 5,028 : x
  2. Step 2: Convert to fraction form
    18,882.24/28,320.12 = 5,028/x
  3. Step 3: Cross multiply
    18,882.24x = 28,320.12 × 5,028
  4. Step 4: Simplify right side
    18,882.24x = 142,393,563.36
  5. Step 5: Solve for x
    x = 142,393,563.36/18,882.24
  6. Step 6: Final answer
    x = 7,541.14

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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.