Home / 28,821.94-39,772.89-16,246.66

Finding the Fourth Proportional to 28,821.94, 39,772.89 and 16,246.66

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Solution

The fourth proportional to 28,821.94, 39,772.89 and 16,246.66 is: 22,419.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,821.94 : 39,772.89 = 16,246.66 : x
  2. Step 2: Convert to fraction form
    28,821.94/39,772.89 = 16,246.66/x
  3. Step 3: Cross multiply
    28,821.94x = 39,772.89 × 16,246.66
  4. Step 4: Simplify right side
    28,821.94x = 646,176,621.05
  5. Step 5: Solve for x
    x = 646,176,621.05/28,821.94
  6. Step 6: Final answer
    x = 22,419.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.