Home / 28,885.73-43,331.03-10,163.80

Finding the Fourth Proportional to 28,885.73, 43,331.03 and 10,163.80

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Solution

The fourth proportional to 28,885.73, 43,331.03 and 10,163.80 is: 15,246.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,885.73 : 43,331.03 = 10,163.80 : x
  2. Step 2: Convert to fraction form
    28,885.73/43,331.03 = 10,163.80/x
  3. Step 3: Cross multiply
    28,885.73x = 43,331.03 × 10,163.80
  4. Step 4: Simplify right side
    28,885.73x = 440,407,922.71
  5. Step 5: Solve for x
    x = 440,407,922.71/28,885.73
  6. Step 6: Final answer
    x = 15,246.56

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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.