Home / 27,010.87-40,514.77-8,290.88

Finding the Fourth Proportional to 27,010.87, 40,514.77 and 8,290.88

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Solution

The fourth proportional to 27,010.87, 40,514.77 and 8,290.88 is: 12,435.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,010.87 : 40,514.77 = 8,290.88 : x
  2. Step 2: Convert to fraction form
    27,010.87/40,514.77 = 8,290.88/x
  3. Step 3: Cross multiply
    27,010.87x = 40,514.77 × 8,290.88
  4. Step 4: Simplify right side
    27,010.87x = 335,903,056.02
  5. Step 5: Solve for x
    x = 335,903,056.02/27,010.87
  6. Step 6: Final answer
    x = 12,435.85

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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.