Home / 28,606.38-39,468.66-16,505.90

Finding the Fourth Proportional to 28,606.38, 39,468.66 and 16,505.90

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Solution

The fourth proportional to 28,606.38, 39,468.66 and 16,505.90 is: 22,773.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,606.38 : 39,468.66 = 16,505.90 : x
  2. Step 2: Convert to fraction form
    28,606.38/39,468.66 = 16,505.90/x
  3. Step 3: Cross multiply
    28,606.38x = 39,468.66 × 16,505.90
  4. Step 4: Simplify right side
    28,606.38x = 651,465,755.09
  5. Step 5: Solve for x
    x = 651,465,755.09/28,606.38
  6. Step 6: Final answer
    x = 22,773.44

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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.