Home / 28,717.87-43,076.82-8,997.96

Finding the Fourth Proportional to 28,717.87, 43,076.82 and 8,997.96

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Solution

The fourth proportional to 28,717.87, 43,076.82 and 8,997.96 is: 13,496.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,717.87 : 43,076.82 = 8,997.96 : x
  2. Step 2: Convert to fraction form
    28,717.87/43,076.82 = 8,997.96/x
  3. Step 3: Cross multiply
    28,717.87x = 43,076.82 × 8,997.96
  4. Step 4: Simplify right side
    28,717.87x = 387,603,533.13
  5. Step 5: Solve for x
    x = 387,603,533.13/28,717.87
  6. Step 6: Final answer
    x = 13,496.95

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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.