Home / 27,840.97-38,422.11-16,517.17

Finding the Fourth Proportional to 27,840.97, 38,422.11 and 16,517.17

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Solution

The fourth proportional to 27,840.97, 38,422.11 and 16,517.17 is: 22,794.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,840.97 : 38,422.11 = 16,517.17 : x
  2. Step 2: Convert to fraction form
    27,840.97/38,422.11 = 16,517.17/x
  3. Step 3: Cross multiply
    27,840.97x = 38,422.11 × 16,517.17
  4. Step 4: Simplify right side
    27,840.97x = 634,624,522.63
  5. Step 5: Solve for x
    x = 634,624,522.63/27,840.97
  6. Step 6: Final answer
    x = 22,794.63

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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.