Home / 20,933.92-28,910.40-17,932.36

Finding the Fourth Proportional to 20,933.92, 28,910.40 and 17,932.36

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Solution

The fourth proportional to 20,933.92, 28,910.40 and 17,932.36 is: 24,765.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,933.92 : 28,910.40 = 17,932.36 : x
  2. Step 2: Convert to fraction form
    20,933.92/28,910.40 = 17,932.36/x
  3. Step 3: Cross multiply
    20,933.92x = 28,910.40 × 17,932.36
  4. Step 4: Simplify right side
    20,933.92x = 518,431,700.54
  5. Step 5: Solve for x
    x = 518,431,700.54/20,933.92
  6. Step 6: Final answer
    x = 24,765.15

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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.