Home / 27,758.03-38,334.06-17,691.21

Finding the Fourth Proportional to 27,758.03, 38,334.06 and 17,691.21

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Solution

The fourth proportional to 27,758.03, 38,334.06 and 17,691.21 is: 24,431.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,758.03 : 38,334.06 = 17,691.21 : x
  2. Step 2: Convert to fraction form
    27,758.03/38,334.06 = 17,691.21/x
  3. Step 3: Cross multiply
    27,758.03x = 38,334.06 × 17,691.21
  4. Step 4: Simplify right side
    27,758.03x = 678,175,905.61
  5. Step 5: Solve for x
    x = 678,175,905.61/27,758.03
  6. Step 6: Final answer
    x = 24,431.71

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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.