Home / 27,983.62-41,982.69-12,397.54

Finding the Fourth Proportional to 27,983.62, 41,982.69 and 12,397.54

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Solution

The fourth proportional to 27,983.62, 41,982.69 and 12,397.54 is: 18,599.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,983.62 : 41,982.69 = 12,397.54 : x
  2. Step 2: Convert to fraction form
    27,983.62/41,982.69 = 12,397.54/x
  3. Step 3: Cross multiply
    27,983.62x = 41,982.69 × 12,397.54
  4. Step 4: Simplify right side
    27,983.62x = 520,482,078.58
  5. Step 5: Solve for x
    x = 520,482,078.58/27,983.62
  6. Step 6: Final answer
    x = 18,599.53

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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.