Home / 27,910.98-38,517.36-15,164.28

Finding the Fourth Proportional to 27,910.98, 38,517.36 and 15,164.28

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Solution

The fourth proportional to 27,910.98, 38,517.36 and 15,164.28 is: 20,926.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,910.98 : 38,517.36 = 15,164.28 : x
  2. Step 2: Convert to fraction form
    27,910.98/38,517.36 = 15,164.28/x
  3. Step 3: Cross multiply
    27,910.98x = 38,517.36 × 15,164.28
  4. Step 4: Simplify right side
    27,910.98x = 584,088,031.90
  5. Step 5: Solve for x
    x = 584,088,031.90/27,910.98
  6. Step 6: Final answer
    x = 20,926.82

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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.