Home / 28,844.32-43,268.91-9,122.44

Finding the Fourth Proportional to 28,844.32, 43,268.91 and 9,122.44

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Solution

The fourth proportional to 28,844.32, 43,268.91 and 9,122.44 is: 13,684.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,844.32 : 43,268.91 = 9,122.44 : x
  2. Step 2: Convert to fraction form
    28,844.32/43,268.91 = 9,122.44/x
  3. Step 3: Cross multiply
    28,844.32x = 43,268.91 × 9,122.44
  4. Step 4: Simplify right side
    28,844.32x = 394,718,035.34
  5. Step 5: Solve for x
    x = 394,718,035.34/28,844.32
  6. Step 6: Final answer
    x = 13,684.43

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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.