Home / 27,939.88-38,546.10-15,996.82

Finding the Fourth Proportional to 27,939.88, 38,546.10 and 15,996.82

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Solution

The fourth proportional to 27,939.88, 38,546.10 and 15,996.82 is: 22,069.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,939.88 : 38,546.10 = 15,996.82 : x
  2. Step 2: Convert to fraction form
    27,939.88/38,546.10 = 15,996.82/x
  3. Step 3: Cross multiply
    27,939.88x = 38,546.10 × 15,996.82
  4. Step 4: Simplify right side
    27,939.88x = 616,615,023.40
  5. Step 5: Solve for x
    x = 616,615,023.40/27,939.88
  6. Step 6: Final answer
    x = 22,069.35

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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.