Home / 28,766-43,086.68-13,943.92

Finding the Fourth Proportional to 28,766, 43,086.68 and 13,943.92

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Solution

The fourth proportional to 28,766, 43,086.68 and 13,943.92 is: 20,885.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,766 : 43,086.68 = 13,943.92 : x
  2. Step 2: Convert to fraction form
    28,766/43,086.68 = 13,943.92/x
  3. Step 3: Cross multiply
    28,766x = 43,086.68 × 13,943.92
  4. Step 4: Simplify right side
    28,766x = 600,797,218.99
  5. Step 5: Solve for x
    x = 600,797,218.99/28,766
  6. Step 6: Final answer
    x = 20,885.67

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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.