Home / 28,996.64-43,463.87-18,997.61

Finding the Fourth Proportional to 28,996.64, 43,463.87 and 18,997.61

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Solution

The fourth proportional to 28,996.64, 43,463.87 and 18,997.61 is: 28,476.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,996.64 : 43,463.87 = 18,997.61 : x
  2. Step 2: Convert to fraction form
    28,996.64/43,463.87 = 18,997.61/x
  3. Step 3: Cross multiply
    28,996.64x = 43,463.87 × 18,997.61
  4. Step 4: Simplify right side
    28,996.64x = 825,709,540.22
  5. Step 5: Solve for x
    x = 825,709,540.22/28,996.64
  6. Step 6: Final answer
    x = 28,476.04

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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.