Home / 28,383.35-39,168.99-16,453.61

Finding the Fourth Proportional to 28,383.35, 39,168.99 and 16,453.61

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Solution

The fourth proportional to 28,383.35, 39,168.99 and 16,453.61 is: 22,705.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,383.35 : 39,168.99 = 16,453.61 : x
  2. Step 2: Convert to fraction form
    28,383.35/39,168.99 = 16,453.61/x
  3. Step 3: Cross multiply
    28,383.35x = 39,168.99 × 16,453.61
  4. Step 4: Simplify right side
    28,383.35x = 644,471,089.71
  5. Step 5: Solve for x
    x = 644,471,089.71/28,383.35
  6. Step 6: Final answer
    x = 22,705.96

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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.