Home / 22,219.42-30,610.68-15,492.82

Finding the Fourth Proportional to 22,219.42, 30,610.68 and 15,492.82

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Solution

The fourth proportional to 22,219.42, 30,610.68 and 15,492.82 is: 21,343.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,219.42 : 30,610.68 = 15,492.82 : x
  2. Step 2: Convert to fraction form
    22,219.42/30,610.68 = 15,492.82/x
  3. Step 3: Cross multiply
    22,219.42x = 30,610.68 × 15,492.82
  4. Step 4: Simplify right side
    22,219.42x = 474,245,755.32
  5. Step 5: Solve for x
    x = 474,245,755.32/22,219.42
  6. Step 6: Final answer
    x = 21,343.75

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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.