Home / 20,185.26-27,855.24-11,232.42

Finding the Fourth Proportional to 20,185.26, 27,855.24 and 11,232.42

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Solution

The fourth proportional to 20,185.26, 27,855.24 and 11,232.42 is: 15,500.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,185.26 : 27,855.24 = 11,232.42 : x
  2. Step 2: Convert to fraction form
    20,185.26/27,855.24 = 11,232.42/x
  3. Step 3: Cross multiply
    20,185.26x = 27,855.24 × 11,232.42
  4. Step 4: Simplify right side
    20,185.26x = 312,881,754.88
  5. Step 5: Solve for x
    x = 312,881,754.88/20,185.26
  6. Step 6: Final answer
    x = 15,500.51

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1.5x scale

Why These Related Problems?

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