Home / 28,734.48-39,651.12-16,796.43

Finding the Fourth Proportional to 28,734.48, 39,651.12 and 16,796.43

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Solution

The fourth proportional to 28,734.48, 39,651.12 and 16,796.43 is: 23,177.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,734.48 : 39,651.12 = 16,796.43 : x
  2. Step 2: Convert to fraction form
    28,734.48/39,651.12 = 16,796.43/x
  3. Step 3: Cross multiply
    28,734.48x = 39,651.12 × 16,796.43
  4. Step 4: Simplify right side
    28,734.48x = 665,997,261.50
  5. Step 5: Solve for x
    x = 665,997,261.50/28,734.48
  6. Step 6: Final answer
    x = 23,177.63

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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.