Home / 23,072.18-31,838.94-13,000.43

Finding the Fourth Proportional to 23,072.18, 31,838.94 and 13,000.43

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Solution

The fourth proportional to 23,072.18, 31,838.94 and 13,000.43 is: 17,940.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,072.18 : 31,838.94 = 13,000.43 : x
  2. Step 2: Convert to fraction form
    23,072.18/31,838.94 = 13,000.43/x
  3. Step 3: Cross multiply
    23,072.18x = 31,838.94 × 13,000.43
  4. Step 4: Simplify right side
    23,072.18x = 413,919,990.34
  5. Step 5: Solve for x
    x = 413,919,990.34/23,072.18
  6. Step 6: Final answer
    x = 17,940.22

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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.