Home / 20,977.26-28,942.83-14,596.70

Finding the Fourth Proportional to 20,977.26, 28,942.83 and 14,596.70

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Solution

The fourth proportional to 20,977.26, 28,942.83 and 14,596.70 is: 20,139.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,977.26 : 28,942.83 = 14,596.70 : x
  2. Step 2: Convert to fraction form
    20,977.26/28,942.83 = 14,596.70/x
  3. Step 3: Cross multiply
    20,977.26x = 28,942.83 × 14,596.70
  4. Step 4: Simplify right side
    20,977.26x = 422,469,661.95
  5. Step 5: Solve for x
    x = 422,469,661.95/20,977.26
  6. Step 6: Final answer
    x = 20,139.41

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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.