Home / 52,790.43-72,850.57-28,591.28

Finding the Fourth Proportional to 52,790.43, 72,850.57 and 28,591.28

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Solution

The fourth proportional to 52,790.43, 72,850.57 and 28,591.28 is: 39,455.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,790.43 : 72,850.57 = 28,591.28 : x
  2. Step 2: Convert to fraction form
    52,790.43/72,850.57 = 28,591.28/x
  3. Step 3: Cross multiply
    52,790.43x = 72,850.57 × 28,591.28
  4. Step 4: Simplify right side
    52,790.43x = 2,082,890,680.78
  5. Step 5: Solve for x
    x = 2,082,890,680.78/52,790.43
  6. Step 6: Final answer
    x = 39,455.84

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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.