Home / 28,717.41-43,076.07-8,997.48

Finding the Fourth Proportional to 28,717.41, 43,076.07 and 8,997.48

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Solution

The fourth proportional to 28,717.41, 43,076.07 and 8,997.48 is: 13,496.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,717.41 : 43,076.07 = 8,997.48 : x
  2. Step 2: Convert to fraction form
    28,717.41/43,076.07 = 8,997.48/x
  3. Step 3: Cross multiply
    28,717.41x = 43,076.07 × 8,997.48
  4. Step 4: Simplify right side
    28,717.41x = 387,576,078.30
  5. Step 5: Solve for x
    x = 387,576,078.30/28,717.41
  6. Step 6: Final answer
    x = 13,496.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.