Home / 19,243.52-28,816.32-12,201.92

Finding the Fourth Proportional to 19,243.52, 28,816.32 and 12,201.92

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Solution

The fourth proportional to 19,243.52, 28,816.32 and 12,201.92 is: 18,271.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,243.52 : 28,816.32 = 12,201.92 : x
  2. Step 2: Convert to fraction form
    19,243.52/28,816.32 = 12,201.92/x
  3. Step 3: Cross multiply
    19,243.52x = 28,816.32 × 12,201.92
  4. Step 4: Simplify right side
    19,243.52x = 351,614,431.33
  5. Step 5: Solve for x
    x = 351,614,431.33/19,243.52
  6. Step 6: Final answer
    x = 18,271.84

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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.