Home / 28,684-39,583.92-16,108.48

Finding the Fourth Proportional to 28,684, 39,583.92 and 16,108.48

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Solution

The fourth proportional to 28,684, 39,583.92 and 16,108.48 is: 22,229.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,684 : 39,583.92 = 16,108.48 : x
  2. Step 2: Convert to fraction form
    28,684/39,583.92 = 16,108.48/x
  3. Step 3: Cross multiply
    28,684x = 39,583.92 × 16,108.48
  4. Step 4: Simplify right side
    28,684x = 637,636,783.64
  5. Step 5: Solve for x
    x = 637,636,783.64/28,684
  6. Step 6: Final answer
    x = 22,229.70

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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.