Home / 27,910.44-38,516.72-15,335.19

Finding the Fourth Proportional to 27,910.44, 38,516.72 and 15,335.19

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Solution

The fourth proportional to 27,910.44, 38,516.72 and 15,335.19 is: 21,162.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,910.44 : 38,516.72 = 15,335.19 : x
  2. Step 2: Convert to fraction form
    27,910.44/38,516.72 = 15,335.19/x
  3. Step 3: Cross multiply
    27,910.44x = 38,516.72 × 15,335.19
  4. Step 4: Simplify right side
    27,910.44x = 590,661,142.70
  5. Step 5: Solve for x
    x = 590,661,142.70/27,910.44
  6. Step 6: Final answer
    x = 21,162.73

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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.