Home / 27,424.64-41,138.56-7,704.74

Finding the Fourth Proportional to 27,424.64, 41,138.56 and 7,704.74

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Solution

The fourth proportional to 27,424.64, 41,138.56 and 7,704.74 is: 11,557.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,424.64 : 41,138.56 = 7,704.74 : x
  2. Step 2: Convert to fraction form
    27,424.64/41,138.56 = 7,704.74/x
  3. Step 3: Cross multiply
    27,424.64x = 41,138.56 × 7,704.74
  4. Step 4: Simplify right side
    27,424.64x = 316,961,768.18
  5. Step 5: Solve for x
    x = 316,961,768.18/27,424.64
  6. Step 6: Final answer
    x = 11,557.55

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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.