Home / 20,496.21-28,297.84-16,728.37

Finding the Fourth Proportional to 20,496.21, 28,297.84 and 16,728.37

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Solution

The fourth proportional to 20,496.21, 28,297.84 and 16,728.37 is: 23,095.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,496.21 : 28,297.84 = 16,728.37 : x
  2. Step 2: Convert to fraction form
    20,496.21/28,297.84 = 16,728.37/x
  3. Step 3: Cross multiply
    20,496.21x = 28,297.84 × 16,728.37
  4. Step 4: Simplify right side
    20,496.21x = 473,376,815.70
  5. Step 5: Solve for x
    x = 473,376,815.70/20,496.21
  6. Step 6: Final answer
    x = 23,095.83

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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.