Home / 28,908.24-43,362.60-8,131.92

Finding the Fourth Proportional to 28,908.24, 43,362.60 and 8,131.92

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Solution

The fourth proportional to 28,908.24, 43,362.60 and 8,131.92 is: 12,197.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,908.24 : 43,362.60 = 8,131.92 : x
  2. Step 2: Convert to fraction form
    28,908.24/43,362.60 = 8,131.92/x
  3. Step 3: Cross multiply
    28,908.24x = 43,362.60 × 8,131.92
  4. Step 4: Simplify right side
    28,908.24x = 352,621,194.19
  5. Step 5: Solve for x
    x = 352,621,194.19/28,908.24
  6. Step 6: Final answer
    x = 12,197.95

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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.