Home / 27,827.64-41,747.76-15,986.88

Finding the Fourth Proportional to 27,827.64, 41,747.76 and 15,986.88

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Solution

The fourth proportional to 27,827.64, 41,747.76 and 15,986.88 is: 23,983.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,827.64 : 41,747.76 = 15,986.88 : x
  2. Step 2: Convert to fraction form
    27,827.64/41,747.76 = 15,986.88/x
  3. Step 3: Cross multiply
    27,827.64x = 41,747.76 × 15,986.88
  4. Step 4: Simplify right side
    27,827.64x = 667,416,429.39
  5. Step 5: Solve for x
    x = 667,416,429.39/27,827.64
  6. Step 6: Final answer
    x = 23,983.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.