Home / 28,383.77-39,169.61-16,454.03

Finding the Fourth Proportional to 28,383.77, 39,169.61 and 16,454.03

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Solution

The fourth proportional to 28,383.77, 39,169.61 and 16,454.03 is: 22,706.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,383.77 : 39,169.61 = 16,454.03 : x
  2. Step 2: Convert to fraction form
    28,383.77/39,169.61 = 16,454.03/x
  3. Step 3: Cross multiply
    28,383.77x = 39,169.61 × 16,454.03
  4. Step 4: Simplify right side
    28,383.77x = 644,497,938.03
  5. Step 5: Solve for x
    x = 644,497,938.03/28,383.77
  6. Step 6: Final answer
    x = 22,706.57

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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.