Home / 27,692.20-41,530.20-9,920.80

Finding the Fourth Proportional to 27,692.20, 41,530.20 and 9,920.80

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Solution

The fourth proportional to 27,692.20, 41,530.20 and 9,920.80 is: 14,878.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,692.20 : 41,530.20 = 9,920.80 : x
  2. Step 2: Convert to fraction form
    27,692.20/41,530.20 = 9,920.80/x
  3. Step 3: Cross multiply
    27,692.20x = 41,530.20 × 9,920.80
  4. Step 4: Simplify right side
    27,692.20x = 412,012,808.16
  5. Step 5: Solve for x
    x = 412,012,808.16/27,692.20
  6. Step 6: Final answer
    x = 14,878.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.