Home / 27,623.25-38,120.09-15,048

Finding the Fourth Proportional to 27,623.25, 38,120.09 and 15,048

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Solution

The fourth proportional to 27,623.25, 38,120.09 and 15,048 is: 20,766.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,623.25 : 38,120.09 = 15,048 : x
  2. Step 2: Convert to fraction form
    27,623.25/38,120.09 = 15,048/x
  3. Step 3: Cross multiply
    27,623.25x = 38,120.09 × 15,048
  4. Step 4: Simplify right side
    27,623.25x = 573,631,039.08
  5. Step 5: Solve for x
    x = 573,631,039.08/27,623.25
  6. Step 6: Final answer
    x = 20,766.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.