Home / 27,160.56-40,743.72-11,579.76

Finding the Fourth Proportional to 27,160.56, 40,743.72 and 11,579.76

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Solution

The fourth proportional to 27,160.56, 40,743.72 and 11,579.76 is: 17,370.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,160.56 : 40,743.72 = 11,579.76 : x
  2. Step 2: Convert to fraction form
    27,160.56/40,743.72 = 11,579.76/x
  3. Step 3: Cross multiply
    27,160.56x = 40,743.72 × 11,579.76
  4. Step 4: Simplify right side
    27,160.56x = 471,802,499.11
  5. Step 5: Solve for x
    x = 471,802,499.11/27,160.56
  6. Step 6: Final answer
    x = 17,370.87

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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.