Home / 27,619.92-38,115.45-15,044.67

Finding the Fourth Proportional to 27,619.92, 38,115.45 and 15,044.67

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Solution

The fourth proportional to 27,619.92, 38,115.45 and 15,044.67 is: 20,761.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,619.92 : 38,115.45 = 15,044.67 : x
  2. Step 2: Convert to fraction form
    27,619.92/38,115.45 = 15,044.67/x
  3. Step 3: Cross multiply
    27,619.92x = 38,115.45 × 15,044.67
  4. Step 4: Simplify right side
    27,619.92x = 573,434,367.15
  5. Step 5: Solve for x
    x = 573,434,367.15/27,619.92
  6. Step 6: Final answer
    x = 20,761.62

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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.