Home / 20,324.88-28,049.58-11,372.94

Finding the Fourth Proportional to 20,324.88, 28,049.58 and 11,372.94

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Solution

The fourth proportional to 20,324.88, 28,049.58 and 11,372.94 is: 15,695.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,324.88 : 28,049.58 = 11,372.94 : x
  2. Step 2: Convert to fraction form
    20,324.88/28,049.58 = 11,372.94/x
  3. Step 3: Cross multiply
    20,324.88x = 28,049.58 × 11,372.94
  4. Step 4: Simplify right side
    20,324.88x = 319,006,190.37
  5. Step 5: Solve for x
    x = 319,006,190.37/20,324.88
  6. Step 6: Final answer
    x = 15,695.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.