Home / 20,941.48-31,399.26-10,932.04

Finding the Fourth Proportional to 20,941.48, 31,399.26 and 10,932.04

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Solution

The fourth proportional to 20,941.48, 31,399.26 and 10,932.04 is: 16,391.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,941.48 : 31,399.26 = 10,932.04 : x
  2. Step 2: Convert to fraction form
    20,941.48/31,399.26 = 10,932.04/x
  3. Step 3: Cross multiply
    20,941.48x = 31,399.26 × 10,932.04
  4. Step 4: Simplify right side
    20,941.48x = 343,257,966.29
  5. Step 5: Solve for x
    x = 343,257,966.29/20,941.48
  6. Step 6: Final answer
    x = 16,391.29

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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.