Home / 27,997.88-38,638.89-18,568.26

Finding the Fourth Proportional to 27,997.88, 38,638.89 and 18,568.26

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Solution

The fourth proportional to 27,997.88, 38,638.89 and 18,568.26 is: 25,625.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,997.88 : 38,638.89 = 18,568.26 : x
  2. Step 2: Convert to fraction form
    27,997.88/38,638.89 = 18,568.26/x
  3. Step 3: Cross multiply
    27,997.88x = 38,638.89 × 18,568.26
  4. Step 4: Simplify right side
    27,997.88x = 717,456,955.63
  5. Step 5: Solve for x
    x = 717,456,955.63/27,997.88
  6. Step 6: Final answer
    x = 25,625.41

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Half scale
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Similar ratio
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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.