Home / 27,750.80-38,296.26-15,003.97

Finding the Fourth Proportional to 27,750.80, 38,296.26 and 15,003.97

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Solution

The fourth proportional to 27,750.80, 38,296.26 and 15,003.97 is: 20,705.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,750.80 : 38,296.26 = 15,003.97 : x
  2. Step 2: Convert to fraction form
    27,750.80/38,296.26 = 15,003.97/x
  3. Step 3: Cross multiply
    27,750.80x = 38,296.26 × 15,003.97
  4. Step 4: Simplify right side
    27,750.80x = 574,595,840.41
  5. Step 5: Solve for x
    x = 574,595,840.41/27,750.80
  6. Step 6: Final answer
    x = 20,705.56

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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.