Home / 18,767.08-28,122.66-17,107.42

Finding the Fourth Proportional to 18,767.08, 28,122.66 and 17,107.42

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Solution

The fourth proportional to 18,767.08, 28,122.66 and 17,107.42 is: 25,635.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,767.08 : 28,122.66 = 17,107.42 : x
  2. Step 2: Convert to fraction form
    18,767.08/28,122.66 = 17,107.42/x
  3. Step 3: Cross multiply
    18,767.08x = 28,122.66 × 17,107.42
  4. Step 4: Simplify right side
    18,767.08x = 481,106,156.14
  5. Step 5: Solve for x
    x = 481,106,156.14/18,767.08
  6. Step 6: Final answer
    x = 25,635.64

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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.