Home / 20,562.87-28,377.68-11,610.45

Finding the Fourth Proportional to 20,562.87, 28,377.68 and 11,610.45

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Solution

The fourth proportional to 20,562.87, 28,377.68 and 11,610.45 is: 16,022.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,562.87 : 28,377.68 = 11,610.45 : x
  2. Step 2: Convert to fraction form
    20,562.87/28,377.68 = 11,610.45/x
  3. Step 3: Cross multiply
    20,562.87x = 28,377.68 × 11,610.45
  4. Step 4: Simplify right side
    20,562.87x = 329,477,576.70
  5. Step 5: Solve for x
    x = 329,477,576.70/20,562.87
  6. Step 6: Final answer
    x = 16,022.94

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.