Home / 27,751.19-41,637.72-12,157.88

Finding the Fourth Proportional to 27,751.19, 41,637.72 and 12,157.88

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Solution

The fourth proportional to 27,751.19, 41,637.72 and 12,157.88 is: 18,241.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,751.19 : 41,637.72 = 12,157.88 : x
  2. Step 2: Convert to fraction form
    27,751.19/41,637.72 = 12,157.88/x
  3. Step 3: Cross multiply
    27,751.19x = 41,637.72 × 12,157.88
  4. Step 4: Simplify right side
    27,751.19x = 506,226,240.64
  5. Step 5: Solve for x
    x = 506,226,240.64/27,751.19
  6. Step 6: Final answer
    x = 18,241.61

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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.