Home / 27,758.27-38,306.63-15,183.02

Finding the Fourth Proportional to 27,758.27, 38,306.63 and 15,183.02

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Solution

The fourth proportional to 27,758.27, 38,306.63 and 15,183.02 is: 20,952.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,758.27 : 38,306.63 = 15,183.02 : x
  2. Step 2: Convert to fraction form
    27,758.27/38,306.63 = 15,183.02/x
  3. Step 3: Cross multiply
    27,758.27x = 38,306.63 × 15,183.02
  4. Step 4: Simplify right side
    27,758.27x = 581,610,175.85
  5. Step 5: Solve for x
    x = 581,610,175.85/27,758.27
  6. Step 6: Final answer
    x = 20,952.68

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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.