Home / 18,520.14-27,795.79-17,352.43

Finding the Fourth Proportional to 18,520.14, 27,795.79 and 17,352.43

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Solution

The fourth proportional to 18,520.14, 27,795.79 and 17,352.43 is: 26,043.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,520.14 : 27,795.79 = 17,352.43 : x
  2. Step 2: Convert to fraction form
    18,520.14/27,795.79 = 17,352.43/x
  3. Step 3: Cross multiply
    18,520.14x = 27,795.79 × 17,352.43
  4. Step 4: Simplify right side
    18,520.14x = 482,324,317.91
  5. Step 5: Solve for x
    x = 482,324,317.91/18,520.14
  6. Step 6: Final answer
    x = 26,043.23

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1.5x scale

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.