Home / 27,981.45-41,979.36-16,958.97

Finding the Fourth Proportional to 27,981.45, 41,979.36 and 16,958.97

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Solution

The fourth proportional to 27,981.45, 41,979.36 and 16,958.97 is: 25,442.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,981.45 : 41,979.36 = 16,958.97 : x
  2. Step 2: Convert to fraction form
    27,981.45/41,979.36 = 16,958.97/x
  3. Step 3: Cross multiply
    27,981.45x = 41,979.36 × 16,958.97
  4. Step 4: Simplify right side
    27,981.45x = 711,926,770.46
  5. Step 5: Solve for x
    x = 711,926,770.46/27,981.45
  6. Step 6: Final answer
    x = 25,442.81

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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.