Home / 28,730.29-39,652.44-16,791.30

Finding the Fourth Proportional to 28,730.29, 39,652.44 and 16,791.30

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Solution

The fourth proportional to 28,730.29, 39,652.44 and 16,791.30 is: 23,174.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,730.29 : 39,652.44 = 16,791.30 : x
  2. Step 2: Convert to fraction form
    28,730.29/39,652.44 = 16,791.30/x
  3. Step 3: Cross multiply
    28,730.29x = 39,652.44 × 16,791.30
  4. Step 4: Simplify right side
    28,730.29x = 665,816,015.77
  5. Step 5: Solve for x
    x = 665,816,015.77/28,730.29
  6. Step 6: Final answer
    x = 23,174.71

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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.