Home / 27,945.97-38,563.39-15,846.69

Finding the Fourth Proportional to 27,945.97, 38,563.39 and 15,846.69

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Solution

The fourth proportional to 27,945.97, 38,563.39 and 15,846.69 is: 21,867.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,945.97 : 38,563.39 = 15,846.69 : x
  2. Step 2: Convert to fraction form
    27,945.97/38,563.39 = 15,846.69/x
  3. Step 3: Cross multiply
    27,945.97x = 38,563.39 × 15,846.69
  4. Step 4: Simplify right side
    27,945.97x = 611,102,086.68
  5. Step 5: Solve for x
    x = 611,102,086.68/27,945.97
  6. Step 6: Final answer
    x = 21,867.27

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.