Home / 27,985.92-41,979.15-13,201.80

Finding the Fourth Proportional to 27,985.92, 41,979.15 and 13,201.80

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Solution

The fourth proportional to 27,985.92, 41,979.15 and 13,201.80 is: 19,802.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,985.92 : 41,979.15 = 13,201.80 : x
  2. Step 2: Convert to fraction form
    27,985.92/41,979.15 = 13,201.80/x
  3. Step 3: Cross multiply
    27,985.92x = 41,979.15 × 13,201.80
  4. Step 4: Simplify right side
    27,985.92x = 554,200,342.47
  5. Step 5: Solve for x
    x = 554,200,342.47/27,985.92
  6. Step 6: Final answer
    x = 19,802.83

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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.