Home / 27,939.96-41,894.82-13,869.09

Finding the Fourth Proportional to 27,939.96, 41,894.82 and 13,869.09

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Solution

The fourth proportional to 27,939.96, 41,894.82 and 13,869.09 is: 20,796.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,939.96 : 41,894.82 = 13,869.09 : x
  2. Step 2: Convert to fraction form
    27,939.96/41,894.82 = 13,869.09/x
  3. Step 3: Cross multiply
    27,939.96x = 41,894.82 × 13,869.09
  4. Step 4: Simplify right side
    27,939.96x = 581,043,029.11
  5. Step 5: Solve for x
    x = 581,043,029.11/27,939.96
  6. Step 6: Final answer
    x = 20,796.13

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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.