Home / 18,571.67-27,857.85-4,531.74

Finding the Fourth Proportional to 18,571.67, 27,857.85 and 4,531.74

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Solution

The fourth proportional to 18,571.67, 27,857.85 and 4,531.74 is: 6,797.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,571.67 : 27,857.85 = 4,531.74 : x
  2. Step 2: Convert to fraction form
    18,571.67/27,857.85 = 4,531.74/x
  3. Step 3: Cross multiply
    18,571.67x = 27,857.85 × 4,531.74
  4. Step 4: Simplify right side
    18,571.67x = 126,244,533.16
  5. Step 5: Solve for x
    x = 126,244,533.16/18,571.67
  6. Step 6: Final answer
    x = 6,797.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.