Home / 28,391.97-39,180.81-16,462.24

Finding the Fourth Proportional to 28,391.97, 39,180.81 and 16,462.24

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Solution

The fourth proportional to 28,391.97, 39,180.81 and 16,462.24 is: 22,717.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,391.97 : 39,180.81 = 16,462.24 : x
  2. Step 2: Convert to fraction form
    28,391.97/39,180.81 = 16,462.24/x
  3. Step 3: Cross multiply
    28,391.97x = 39,180.81 × 16,462.24
  4. Step 4: Simplify right side
    28,391.97x = 645,003,861.40
  5. Step 5: Solve for x
    x = 645,003,861.40/28,391.97
  6. Step 6: Final answer
    x = 22,717.83

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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.