Home / 28,383.46-39,169.19-16,453.73

Finding the Fourth Proportional to 28,383.46, 39,169.19 and 16,453.73

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Solution

The fourth proportional to 28,383.46, 39,169.19 and 16,453.73 is: 22,706.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,383.46 : 39,169.19 = 16,453.73 : x
  2. Step 2: Convert to fraction form
    28,383.46/39,169.19 = 16,453.73/x
  3. Step 3: Cross multiply
    28,383.46x = 39,169.19 × 16,453.73
  4. Step 4: Simplify right side
    28,383.46x = 644,478,998.46
  5. Step 5: Solve for x
    x = 644,478,998.46/28,383.46
  6. Step 6: Final answer
    x = 22,706.15

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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.