Home / 28,669.20-39,555.72-16,093.68

Finding the Fourth Proportional to 28,669.20, 39,555.72 and 16,093.68

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Solution

The fourth proportional to 28,669.20, 39,555.72 and 16,093.68 is: 22,204.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,669.20 : 39,555.72 = 16,093.68 : x
  2. Step 2: Convert to fraction form
    28,669.20/39,555.72 = 16,093.68/x
  3. Step 3: Cross multiply
    28,669.20x = 39,555.72 × 16,093.68
  4. Step 4: Simplify right side
    28,669.20x = 636,597,099.85
  5. Step 5: Solve for x
    x = 636,597,099.85/28,669.20
  6. Step 6: Final answer
    x = 22,204.91

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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.