Home / 28,857.50-39,826.41-16,930.88

Finding the Fourth Proportional to 28,857.50, 39,826.41 and 16,930.88

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Solution

The fourth proportional to 28,857.50, 39,826.41 and 16,930.88 is: 23,366.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,857.50 : 39,826.41 = 16,930.88 : x
  2. Step 2: Convert to fraction form
    28,857.50/39,826.41 = 16,930.88/x
  3. Step 3: Cross multiply
    28,857.50x = 39,826.41 × 16,930.88
  4. Step 4: Simplify right side
    28,857.50x = 674,296,168.54
  5. Step 5: Solve for x
    x = 674,296,168.54/28,857.50
  6. Step 6: Final answer
    x = 23,366.41

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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.