Home / 27,285.78-40,930.41-8,566.56

Finding the Fourth Proportional to 27,285.78, 40,930.41 and 8,566.56

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Solution

The fourth proportional to 27,285.78, 40,930.41 and 8,566.56 is: 12,850.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,285.78 : 40,930.41 = 8,566.56 : x
  2. Step 2: Convert to fraction form
    27,285.78/40,930.41 = 8,566.56/x
  3. Step 3: Cross multiply
    27,285.78x = 40,930.41 × 8,566.56
  4. Step 4: Simplify right side
    27,285.78x = 350,632,813.09
  5. Step 5: Solve for x
    x = 350,632,813.09/27,285.78
  6. Step 6: Final answer
    x = 12,850.39

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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.