Home / 52,845.26-72,928.66-28,972.84

Finding the Fourth Proportional to 52,845.26, 72,928.66 and 28,972.84

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Solution

The fourth proportional to 52,845.26, 72,928.66 and 28,972.84 is: 39,983.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,845.26 : 72,928.66 = 28,972.84 : x
  2. Step 2: Convert to fraction form
    52,845.26/72,928.66 = 28,972.84/x
  3. Step 3: Cross multiply
    52,845.26x = 72,928.66 × 28,972.84
  4. Step 4: Simplify right side
    52,845.26x = 2,112,950,397.59
  5. Step 5: Solve for x
    x = 2,112,950,397.59/52,845.26
  6. Step 6: Final answer
    x = 39,983.73

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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.