Home / 19,072.43-28,571.74-10,727.09

Finding the Fourth Proportional to 19,072.43, 28,571.74 and 10,727.09

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Solution

The fourth proportional to 19,072.43, 28,571.74 and 10,727.09 is: 16,069.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,072.43 : 28,571.74 = 10,727.09 : x
  2. Step 2: Convert to fraction form
    19,072.43/28,571.74 = 10,727.09/x
  3. Step 3: Cross multiply
    19,072.43x = 28,571.74 × 10,727.09
  4. Step 4: Simplify right side
    19,072.43x = 306,491,429.94
  5. Step 5: Solve for x
    x = 306,491,429.94/19,072.43
  6. Step 6: Final answer
    x = 16,069.87

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1.5x scale

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.