Home / 28,663.68-39,553.71-16,086

Finding the Fourth Proportional to 28,663.68, 39,553.71 and 16,086

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Solution

The fourth proportional to 28,663.68, 39,553.71 and 16,086 is: 22,197.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,663.68 : 39,553.71 = 16,086 : x
  2. Step 2: Convert to fraction form
    28,663.68/39,553.71 = 16,086/x
  3. Step 3: Cross multiply
    28,663.68x = 39,553.71 × 16,086
  4. Step 4: Simplify right side
    28,663.68x = 636,260,979.06
  5. Step 5: Solve for x
    x = 636,260,979.06/28,663.68
  6. Step 6: Final answer
    x = 22,197.46

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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.