Home / 27,485.50-41,226.18-8,764.78

Finding the Fourth Proportional to 27,485.50, 41,226.18 and 8,764.78

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Solution

The fourth proportional to 27,485.50, 41,226.18 and 8,764.78 is: 13,146.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,485.50 : 41,226.18 = 8,764.78 : x
  2. Step 2: Convert to fraction form
    27,485.50/41,226.18 = 8,764.78/x
  3. Step 3: Cross multiply
    27,485.50x = 41,226.18 × 8,764.78
  4. Step 4: Simplify right side
    27,485.50x = 361,338,397.94
  5. Step 5: Solve for x
    x = 361,338,397.94/27,485.50
  6. Step 6: Final answer
    x = 13,146.51

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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.