Home / 27,888.31-41,840.66-11,239.78

Finding the Fourth Proportional to 27,888.31, 41,840.66 and 11,239.78

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Solution

The fourth proportional to 27,888.31, 41,840.66 and 11,239.78 is: 16,862.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,888.31 : 41,840.66 = 11,239.78 : x
  2. Step 2: Convert to fraction form
    27,888.31/41,840.66 = 11,239.78/x
  3. Step 3: Cross multiply
    27,888.31x = 41,840.66 × 11,239.78
  4. Step 4: Simplify right side
    27,888.31x = 470,279,548.05
  5. Step 5: Solve for x
    x = 470,279,548.05/27,888.31
  6. Step 6: Final answer
    x = 16,862.96

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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.