Home / 27,183.27-40,728.41-21,257.89

Finding the Fourth Proportional to 27,183.27, 40,728.41 and 21,257.89

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Solution

The fourth proportional to 27,183.27, 40,728.41 and 21,257.89 is: 31,850.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,183.27 : 40,728.41 = 21,257.89 : x
  2. Step 2: Convert to fraction form
    27,183.27/40,728.41 = 21,257.89/x
  3. Step 3: Cross multiply
    27,183.27x = 40,728.41 × 21,257.89
  4. Step 4: Simplify right side
    27,183.27x = 865,800,059.65
  5. Step 5: Solve for x
    x = 865,800,059.65/27,183.27
  6. Step 6: Final answer
    x = 31,850.47

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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.