Home / 22,284.30-33,432-15,723.30

Finding the Fourth Proportional to 22,284.30, 33,432 and 15,723.30

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Solution

The fourth proportional to 22,284.30, 33,432 and 15,723.30 is: 23,588.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,284.30 : 33,432 = 15,723.30 : x
  2. Step 2: Convert to fraction form
    22,284.30/33,432 = 15,723.30/x
  3. Step 3: Cross multiply
    22,284.30x = 33,432 × 15,723.30
  4. Step 4: Simplify right side
    22,284.30x = 525,661,365.60
  5. Step 5: Solve for x
    x = 525,661,365.60/22,284.30
  6. Step 6: Final answer
    x = 23,588.87

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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.