Home / 20,662.04-28,513.50-11,711.24

Finding the Fourth Proportional to 20,662.04, 28,513.50 and 11,711.24

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Solution

The fourth proportional to 20,662.04, 28,513.50 and 11,711.24 is: 16,161.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,662.04 : 28,513.50 = 11,711.24 : x
  2. Step 2: Convert to fraction form
    20,662.04/28,513.50 = 11,711.24/x
  3. Step 3: Cross multiply
    20,662.04x = 28,513.50 × 11,711.24
  4. Step 4: Simplify right side
    20,662.04x = 333,928,299.17
  5. Step 5: Solve for x
    x = 333,928,299.17/20,662.04
  6. Step 6: Final answer
    x = 16,161.44

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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.