Home / 27,979.38-41,956.52-8,251.02

Finding the Fourth Proportional to 27,979.38, 41,956.52 and 8,251.02

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Solution

The fourth proportional to 27,979.38, 41,956.52 and 8,251.02 is: 12,372.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,979.38 : 41,956.52 = 8,251.02 : x
  2. Step 2: Convert to fraction form
    27,979.38/41,956.52 = 8,251.02/x
  3. Step 3: Cross multiply
    27,979.38x = 41,956.52 × 8,251.02
  4. Step 4: Simplify right side
    27,979.38x = 346,184,044.40
  5. Step 5: Solve for x
    x = 346,184,044.40/27,979.38
  6. Step 6: Final answer
    x = 12,372.83

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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.