Home / 27,586.78-41,382.60-8,868.49

Finding the Fourth Proportional to 27,586.78, 41,382.60 and 8,868.49

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Solution

The fourth proportional to 27,586.78, 41,382.60 and 8,868.49 is: 13,303.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,586.78 : 41,382.60 = 8,868.49 : x
  2. Step 2: Convert to fraction form
    27,586.78/41,382.60 = 8,868.49/x
  3. Step 3: Cross multiply
    27,586.78x = 41,382.60 × 8,868.49
  4. Step 4: Simplify right side
    27,586.78x = 367,001,174.27
  5. Step 5: Solve for x
    x = 367,001,174.27/27,586.78
  6. Step 6: Final answer
    x = 13,303.52

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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.