Home / 27,972.81-41,968.13-8,251.47

Finding the Fourth Proportional to 27,972.81, 41,968.13 and 8,251.47

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Solution

The fourth proportional to 27,972.81, 41,968.13 and 8,251.47 is: 12,379.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,972.81 : 41,968.13 = 8,251.47 : x
  2. Step 2: Convert to fraction form
    27,972.81/41,968.13 = 8,251.47/x
  3. Step 3: Cross multiply
    27,972.81x = 41,968.13 × 8,251.47
  4. Step 4: Simplify right side
    27,972.81x = 346,298,724.39
  5. Step 5: Solve for x
    x = 346,298,724.39/27,972.81
  6. Step 6: Final answer
    x = 12,379.83

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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.