Home / 27,743.25-38,285.82-15,168

Finding the Fourth Proportional to 27,743.25, 38,285.82 and 15,168

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Solution

The fourth proportional to 27,743.25, 38,285.82 and 15,168 is: 20,931.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,743.25 : 38,285.82 = 15,168 : x
  2. Step 2: Convert to fraction form
    27,743.25/38,285.82 = 15,168/x
  3. Step 3: Cross multiply
    27,743.25x = 38,285.82 × 15,168
  4. Step 4: Simplify right side
    27,743.25x = 580,719,317.76
  5. Step 5: Solve for x
    x = 580,719,317.76/27,743.25
  6. Step 6: Final answer
    x = 20,931.91

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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.