Home / 27,685.19-38,202.94-17,072.78

Finding the Fourth Proportional to 27,685.19, 38,202.94 and 17,072.78

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Solution

The fourth proportional to 27,685.19, 38,202.94 and 17,072.78 is: 23,558.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,685.19 : 38,202.94 = 17,072.78 : x
  2. Step 2: Convert to fraction form
    27,685.19/38,202.94 = 17,072.78/x
  3. Step 3: Cross multiply
    27,685.19x = 38,202.94 × 17,072.78
  4. Step 4: Simplify right side
    27,685.19x = 652,230,220.30
  5. Step 5: Solve for x
    x = 652,230,220.30/27,685.19
  6. Step 6: Final answer
    x = 23,558.81

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Half scale
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1.5x scale

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.