Home / 18,422.24-27,629.20-5,271.84

Finding the Fourth Proportional to 18,422.24, 27,629.20 and 5,271.84

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Solution

The fourth proportional to 18,422.24, 27,629.20 and 5,271.84 is: 7,906.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,422.24 : 27,629.20 = 5,271.84 : x
  2. Step 2: Convert to fraction form
    18,422.24/27,629.20 = 5,271.84/x
  3. Step 3: Cross multiply
    18,422.24x = 27,629.20 × 5,271.84
  4. Step 4: Simplify right side
    18,422.24x = 145,656,721.73
  5. Step 5: Solve for x
    x = 145,656,721.73/18,422.24
  6. Step 6: Final answer
    x = 7,906.57

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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.