Home / 27,336.68-40,979.10-13,469.48

Finding the Fourth Proportional to 27,336.68, 40,979.10 and 13,469.48

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Solution

The fourth proportional to 27,336.68, 40,979.10 and 13,469.48 is: 20,191.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,336.68 : 40,979.10 = 13,469.48 : x
  2. Step 2: Convert to fraction form
    27,336.68/40,979.10 = 13,469.48/x
  3. Step 3: Cross multiply
    27,336.68x = 40,979.10 × 13,469.48
  4. Step 4: Simplify right side
    27,336.68x = 551,967,167.87
  5. Step 5: Solve for x
    x = 551,967,167.87/27,336.68
  6. Step 6: Final answer
    x = 20,191.45

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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.