Home / 22,086.12-30,462.30-15,372.12

Finding the Fourth Proportional to 22,086.12, 30,462.30 and 15,372.12

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Solution

The fourth proportional to 22,086.12, 30,462.30 and 15,372.12 is: 21,202.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,086.12 : 30,462.30 = 15,372.12 : x
  2. Step 2: Convert to fraction form
    22,086.12/30,462.30 = 15,372.12/x
  3. Step 3: Cross multiply
    22,086.12x = 30,462.30 × 15,372.12
  4. Step 4: Simplify right side
    22,086.12x = 468,270,131.08
  5. Step 5: Solve for x
    x = 468,270,131.08/22,086.12
  6. Step 6: Final answer
    x = 21,202.01

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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.