Home / 18,682.49-28,025.33-5,355.53

Finding the Fourth Proportional to 18,682.49, 28,025.33 and 5,355.53

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Solution

The fourth proportional to 18,682.49, 28,025.33 and 5,355.53 is: 8,033.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,682.49 : 28,025.33 = 5,355.53 : x
  2. Step 2: Convert to fraction form
    18,682.49/28,025.33 = 5,355.53/x
  3. Step 3: Cross multiply
    18,682.49x = 28,025.33 × 5,355.53
  4. Step 4: Simplify right side
    18,682.49x = 150,090,495.57
  5. Step 5: Solve for x
    x = 150,090,495.57/18,682.49
  6. Step 6: Final answer
    x = 8,033.75

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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.