Home / 27,811.20-41,692.08-10,276.80

Finding the Fourth Proportional to 27,811.20, 41,692.08 and 10,276.80

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Solution

The fourth proportional to 27,811.20, 41,692.08 and 10,276.80 is: 15,406.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,811.20 : 41,692.08 = 10,276.80 : x
  2. Step 2: Convert to fraction form
    27,811.20/41,692.08 = 10,276.80/x
  3. Step 3: Cross multiply
    27,811.20x = 41,692.08 × 10,276.80
  4. Step 4: Simplify right side
    27,811.20x = 428,461,167.74
  5. Step 5: Solve for x
    x = 428,461,167.74/27,811.20
  6. Step 6: Final answer
    x = 15,406.07

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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.