Home / 27,789.48-41,671.46-11,986.94

Finding the Fourth Proportional to 27,789.48, 41,671.46 and 11,986.94

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Solution

The fourth proportional to 27,789.48, 41,671.46 and 11,986.94 is: 17,974.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,789.48 : 41,671.46 = 11,986.94 : x
  2. Step 2: Convert to fraction form
    27,789.48/41,671.46 = 11,986.94/x
  3. Step 3: Cross multiply
    27,789.48x = 41,671.46 × 11,986.94
  4. Step 4: Simplify right side
    27,789.48x = 499,513,190.48
  5. Step 5: Solve for x
    x = 499,513,190.48/27,789.48
  6. Step 6: Final answer
    x = 17,974.90

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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.