Home / 27,671.94-38,187.18-15,096.78

Finding the Fourth Proportional to 27,671.94, 38,187.18 and 15,096.78

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Solution

The fourth proportional to 27,671.94, 38,187.18 and 15,096.78 is: 20,833.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,671.94 : 38,187.18 = 15,096.78 : x
  2. Step 2: Convert to fraction form
    27,671.94/38,187.18 = 15,096.78/x
  3. Step 3: Cross multiply
    27,671.94x = 38,187.18 × 15,096.78
  4. Step 4: Simplify right side
    27,671.94x = 576,503,455.28
  5. Step 5: Solve for x
    x = 576,503,455.28/27,671.94
  6. Step 6: Final answer
    x = 20,833.50

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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.