Home / 52,794.25-72,855.16-28,920.85

Finding the Fourth Proportional to 52,794.25, 72,855.16 and 28,920.85

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Solution

The fourth proportional to 52,794.25, 72,855.16 and 28,920.85 is: 39,910.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,794.25 : 72,855.16 = 28,920.85 : x
  2. Step 2: Convert to fraction form
    52,794.25/72,855.16 = 28,920.85/x
  3. Step 3: Cross multiply
    52,794.25x = 72,855.16 × 28,920.85
  4. Step 4: Simplify right side
    52,794.25x = 2,107,033,154.09
  5. Step 5: Solve for x
    x = 2,107,033,154.09/52,794.25
  6. Step 6: Final answer
    x = 39,910.28

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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.