Home / 27,991.06-41,996.82-13,005.10

Finding the Fourth Proportional to 27,991.06, 41,996.82 and 13,005.10

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Solution

The fourth proportional to 27,991.06, 41,996.82 and 13,005.10 is: 19,512.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,991.06 : 41,996.82 = 13,005.10 : x
  2. Step 2: Convert to fraction form
    27,991.06/41,996.82 = 13,005.10/x
  3. Step 3: Cross multiply
    27,991.06x = 41,996.82 × 13,005.10
  4. Step 4: Simplify right side
    27,991.06x = 546,172,843.78
  5. Step 5: Solve for x
    x = 546,172,843.78/27,991.06
  6. Step 6: Final answer
    x = 19,512.40

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Similar ratio
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1.5x scale

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.