Home / 52,251.53-72,107.21-28,378.15

Finding the Fourth Proportional to 52,251.53, 72,107.21 and 28,378.15

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Solution

The fourth proportional to 52,251.53, 72,107.21 and 28,378.15 is: 39,161.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,251.53 : 72,107.21 = 28,378.15 : x
  2. Step 2: Convert to fraction form
    52,251.53/72,107.21 = 28,378.15/x
  3. Step 3: Cross multiply
    52,251.53x = 72,107.21 × 28,378.15
  4. Step 4: Simplify right side
    52,251.53x = 2,046,269,112.14
  5. Step 5: Solve for x
    x = 2,046,269,112.14/52,251.53
  6. Step 6: Final answer
    x = 39,161.90

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1.5x scale

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.