Home / 27,766.92-38,318.31-15,191.67

Finding the Fourth Proportional to 27,766.92, 38,318.31 and 15,191.67

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Solution

The fourth proportional to 27,766.92, 38,318.31 and 15,191.67 is: 20,964.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,766.92 : 38,318.31 = 15,191.67 : x
  2. Step 2: Convert to fraction form
    27,766.92/38,318.31 = 15,191.67/x
  3. Step 3: Cross multiply
    27,766.92x = 38,318.31 × 15,191.67
  4. Step 4: Simplify right side
    27,766.92x = 582,119,120.48
  5. Step 5: Solve for x
    x = 582,119,120.48/27,766.92
  6. Step 6: Final answer
    x = 20,964.48

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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.