Home / 26,979.09-40,469.03-10,339.97

Finding the Fourth Proportional to 26,979.09, 40,469.03 and 10,339.97

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Solution

The fourth proportional to 26,979.09, 40,469.03 and 10,339.97 is: 15,510.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,979.09 : 40,469.03 = 10,339.97 : x
  2. Step 2: Convert to fraction form
    26,979.09/40,469.03 = 10,339.97/x
  3. Step 3: Cross multiply
    26,979.09x = 40,469.03 × 10,339.97
  4. Step 4: Simplify right side
    26,979.09x = 418,448,302.08
  5. Step 5: Solve for x
    x = 418,448,302.08/26,979.09
  6. Step 6: Final answer
    x = 15,510.10

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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.