Home / 27,438.80-41,157.26-11,633.66

Finding the Fourth Proportional to 27,438.80, 41,157.26 and 11,633.66

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Solution

The fourth proportional to 27,438.80, 41,157.26 and 11,633.66 is: 17,450.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,438.80 : 41,157.26 = 11,633.66 : x
  2. Step 2: Convert to fraction form
    27,438.80/41,157.26 = 11,633.66/x
  3. Step 3: Cross multiply
    27,438.80x = 41,157.26 × 11,633.66
  4. Step 4: Simplify right side
    27,438.80x = 478,809,305.42
  5. Step 5: Solve for x
    x = 478,809,305.42/27,438.80
  6. Step 6: Final answer
    x = 17,450.09

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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.