Home / 27,872.52-41,823.12-18,519

Finding the Fourth Proportional to 27,872.52, 41,823.12 and 18,519

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Solution

The fourth proportional to 27,872.52, 41,823.12 and 18,519 is: 27,788.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,872.52 : 41,823.12 = 18,519 : x
  2. Step 2: Convert to fraction form
    27,872.52/41,823.12 = 18,519/x
  3. Step 3: Cross multiply
    27,872.52x = 41,823.12 × 18,519
  4. Step 4: Simplify right side
    27,872.52x = 774,522,359.28
  5. Step 5: Solve for x
    x = 774,522,359.28/27,872.52
  6. Step 6: Final answer
    x = 27,788.03

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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.