Home / 28,912.32-43,441.56-27,745.92

Finding the Fourth Proportional to 28,912.32, 43,441.56 and 27,745.92

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Solution

The fourth proportional to 28,912.32, 43,441.56 and 27,745.92 is: 41,689.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,912.32 : 43,441.56 = 27,745.92 : x
  2. Step 2: Convert to fraction form
    28,912.32/43,441.56 = 27,745.92/x
  3. Step 3: Cross multiply
    28,912.32x = 43,441.56 × 27,745.92
  4. Step 4: Simplify right side
    28,912.32x = 1,205,326,048.44
  5. Step 5: Solve for x
    x = 1,205,326,048.44/28,912.32
  6. Step 6: Final answer
    x = 41,689.01

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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.