Home / 18,033.40-27,025.80-6,929.92

Finding the Fourth Proportional to 18,033.40, 27,025.80 and 6,929.92

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Solution

The fourth proportional to 18,033.40, 27,025.80 and 6,929.92 is: 10,385.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,033.40 : 27,025.80 = 6,929.92 : x
  2. Step 2: Convert to fraction form
    18,033.40/27,025.80 = 6,929.92/x
  3. Step 3: Cross multiply
    18,033.40x = 27,025.80 × 6,929.92
  4. Step 4: Simplify right side
    18,033.40x = 187,286,631.94
  5. Step 5: Solve for x
    x = 187,286,631.94/18,033.40
  6. Step 6: Final answer
    x = 10,385.54

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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.