Home / 52,748.40-72,791.82-28,874.64

Finding the Fourth Proportional to 52,748.40, 72,791.82 and 28,874.64

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Solution

The fourth proportional to 52,748.40, 72,791.82 and 28,874.64 is: 39,846.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,748.40 : 72,791.82 = 28,874.64 : x
  2. Step 2: Convert to fraction form
    52,748.40/72,791.82 = 28,874.64/x
  3. Step 3: Cross multiply
    52,748.40x = 72,791.82 × 28,874.64
  4. Step 4: Simplify right side
    52,748.40x = 2,101,837,597.44
  5. Step 5: Solve for x
    x = 2,101,837,597.44/52,748.40
  6. Step 6: Final answer
    x = 39,846.47

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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.