Home / 27,770.08-38,321.82-15,194.56

Finding the Fourth Proportional to 27,770.08, 38,321.82 and 15,194.56

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Solution

The fourth proportional to 27,770.08, 38,321.82 and 15,194.56 is: 20,968.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,770.08 : 38,321.82 = 15,194.56 : x
  2. Step 2: Convert to fraction form
    27,770.08/38,321.82 = 15,194.56/x
  3. Step 3: Cross multiply
    27,770.08x = 38,321.82 × 15,194.56
  4. Step 4: Simplify right side
    27,770.08x = 582,283,193.30
  5. Step 5: Solve for x
    x = 582,283,193.30/27,770.08
  6. Step 6: Final answer
    x = 20,968.01

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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.