Home / 27,729.01-38,264.82-16,991.75

Finding the Fourth Proportional to 27,729.01, 38,264.82 and 16,991.75

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Solution

The fourth proportional to 27,729.01, 38,264.82 and 16,991.75 is: 23,447.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,729.01 : 38,264.82 = 16,991.75 : x
  2. Step 2: Convert to fraction form
    27,729.01/38,264.82 = 16,991.75/x
  3. Step 3: Cross multiply
    27,729.01x = 38,264.82 × 16,991.75
  4. Step 4: Simplify right side
    27,729.01x = 650,186,287.18
  5. Step 5: Solve for x
    x = 650,186,287.18/27,729.01
  6. Step 6: Final answer
    x = 23,447.87

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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.