Home / 23,145.05-31,940.01-12,534.44

Finding the Fourth Proportional to 23,145.05, 31,940.01 and 12,534.44

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Solution

The fourth proportional to 23,145.05, 31,940.01 and 12,534.44 is: 17,297.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,145.05 : 31,940.01 = 12,534.44 : x
  2. Step 2: Convert to fraction form
    23,145.05/31,940.01 = 12,534.44/x
  3. Step 3: Cross multiply
    23,145.05x = 31,940.01 × 12,534.44
  4. Step 4: Simplify right side
    23,145.05x = 400,350,138.94
  5. Step 5: Solve for x
    x = 400,350,138.94/23,145.05
  6. Step 6: Final answer
    x = 17,297.44

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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.