Home / 27,888.19-41,814.11-10,115.55

Finding the Fourth Proportional to 27,888.19, 41,814.11 and 10,115.55

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Solution

The fourth proportional to 27,888.19, 41,814.11 and 10,115.55 is: 15,166.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,888.19 : 41,814.11 = 10,115.55 : x
  2. Step 2: Convert to fraction form
    27,888.19/41,814.11 = 10,115.55/x
  3. Step 3: Cross multiply
    27,888.19x = 41,814.11 × 10,115.55
  4. Step 4: Simplify right side
    27,888.19x = 422,972,720.41
  5. Step 5: Solve for x
    x = 422,972,720.41/27,888.19
  6. Step 6: Final answer
    x = 15,166.73

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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.