Home / 27,770.28-38,322.66-15,195

Finding the Fourth Proportional to 27,770.28, 38,322.66 and 15,195

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Solution

The fourth proportional to 27,770.28, 38,322.66 and 15,195 is: 20,968.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,770.28 : 38,322.66 = 15,195 : x
  2. Step 2: Convert to fraction form
    27,770.28/38,322.66 = 15,195/x
  3. Step 3: Cross multiply
    27,770.28x = 38,322.66 × 15,195
  4. Step 4: Simplify right side
    27,770.28x = 582,312,818.70
  5. Step 5: Solve for x
    x = 582,312,818.70/27,770.28
  6. Step 6: Final answer
    x = 20,968.92

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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.