Home / 21,024.38-31,537.38-7,173.38

Finding the Fourth Proportional to 21,024.38, 31,537.38 and 7,173.38

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Solution

The fourth proportional to 21,024.38, 31,537.38 and 7,173.38 is: 10,760.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,024.38 : 31,537.38 = 7,173.38 : x
  2. Step 2: Convert to fraction form
    21,024.38/31,537.38 = 7,173.38/x
  3. Step 3: Cross multiply
    21,024.38x = 31,537.38 × 7,173.38
  4. Step 4: Simplify right side
    21,024.38x = 226,229,453.26
  5. Step 5: Solve for x
    x = 226,229,453.26/21,024.38
  6. Step 6: Final answer
    x = 10,760.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.