Home / 28,872.24-43,309.56-9,150.36

Finding the Fourth Proportional to 28,872.24, 43,309.56 and 9,150.36

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Solution

The fourth proportional to 28,872.24, 43,309.56 and 9,150.36 is: 13,725.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,872.24 : 43,309.56 = 9,150.36 : x
  2. Step 2: Convert to fraction form
    28,872.24/43,309.56 = 9,150.36/x
  3. Step 3: Cross multiply
    28,872.24x = 43,309.56 × 9,150.36
  4. Step 4: Simplify right side
    28,872.24x = 396,298,065.44
  5. Step 5: Solve for x
    x = 396,298,065.44/28,872.24
  6. Step 6: Final answer
    x = 13,725.92

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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.