Home / 20,223.20-27,908.61-11,271.44

Finding the Fourth Proportional to 20,223.20, 27,908.61 and 11,271.44

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Solution

The fourth proportional to 20,223.20, 27,908.61 and 11,271.44 is: 15,554.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,223.20 : 27,908.61 = 11,271.44 : x
  2. Step 2: Convert to fraction form
    20,223.20/27,908.61 = 11,271.44/x
  3. Step 3: Cross multiply
    20,223.20x = 27,908.61 × 11,271.44
  4. Step 4: Simplify right side
    20,223.20x = 314,570,223.10
  5. Step 5: Solve for x
    x = 314,570,223.10/20,223.20
  6. Step 6: Final answer
    x = 15,554.92

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