Home / 28,754.64-43,138.44-11,229.48

Finding the Fourth Proportional to 28,754.64, 43,138.44 and 11,229.48

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Solution

The fourth proportional to 28,754.64, 43,138.44 and 11,229.48 is: 16,846.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,754.64 : 43,138.44 = 11,229.48 : x
  2. Step 2: Convert to fraction form
    28,754.64/43,138.44 = 11,229.48/x
  3. Step 3: Cross multiply
    28,754.64x = 43,138.44 × 11,229.48
  4. Step 4: Simplify right side
    28,754.64x = 484,422,249.21
  5. Step 5: Solve for x
    x = 484,422,249.21/28,754.64
  6. Step 6: Final answer
    x = 16,846.75

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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.