Home / 28,731.93-39,644.13-16,792.93

Finding the Fourth Proportional to 28,731.93, 39,644.13 and 16,792.93

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Solution

The fourth proportional to 28,731.93, 39,644.13 and 16,792.93 is: 23,170.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,731.93 : 39,644.13 = 16,792.93 : x
  2. Step 2: Convert to fraction form
    28,731.93/39,644.13 = 16,792.93/x
  3. Step 3: Cross multiply
    28,731.93x = 39,644.13 × 16,792.93
  4. Step 4: Simplify right side
    28,731.93x = 665,741,100.00
  5. Step 5: Solve for x
    x = 665,741,100.00/28,731.93
  6. Step 6: Final answer
    x = 23,170.78

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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.