Home / 27,787.24-41,680.38-9,319.24

Finding the Fourth Proportional to 27,787.24, 41,680.38 and 9,319.24

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Solution

The fourth proportional to 27,787.24, 41,680.38 and 9,319.24 is: 13,978.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,787.24 : 41,680.38 = 9,319.24 : x
  2. Step 2: Convert to fraction form
    27,787.24/41,680.38 = 9,319.24/x
  3. Step 3: Cross multiply
    27,787.24x = 41,680.38 × 9,319.24
  4. Step 4: Simplify right side
    27,787.24x = 388,429,464.51
  5. Step 5: Solve for x
    x = 388,429,464.51/27,787.24
  6. Step 6: Final answer
    x = 13,978.70

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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.