Home / 27,910.34-38,515.60-15,972.92

Finding the Fourth Proportional to 27,910.34, 38,515.60 and 15,972.92

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Solution

The fourth proportional to 27,910.34, 38,515.60 and 15,972.92 is: 22,042.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,910.34 : 38,515.60 = 15,972.92 : x
  2. Step 2: Convert to fraction form
    27,910.34/38,515.60 = 15,972.92/x
  3. Step 3: Cross multiply
    27,910.34x = 38,515.60 × 15,972.92
  4. Step 4: Simplify right side
    27,910.34x = 615,206,597.55
  5. Step 5: Solve for x
    x = 615,206,597.55/27,910.34
  6. Step 6: Final answer
    x = 22,042.25

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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.