Home / 27,140.56-40,707.60-11,562.64

Finding the Fourth Proportional to 27,140.56, 40,707.60 and 11,562.64

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Solution

The fourth proportional to 27,140.56, 40,707.60 and 11,562.64 is: 17,342.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,140.56 : 40,707.60 = 11,562.64 : x
  2. Step 2: Convert to fraction form
    27,140.56/40,707.60 = 11,562.64/x
  3. Step 3: Cross multiply
    27,140.56x = 40,707.60 × 11,562.64
  4. Step 4: Simplify right side
    27,140.56x = 470,687,178.94
  5. Step 5: Solve for x
    x = 470,687,178.94/27,140.56
  6. Step 6: Final answer
    x = 17,342.58

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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.