Home / 27,520.87-41,268.28-10,661.77

Finding the Fourth Proportional to 27,520.87, 41,268.28 and 10,661.77

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Solution

The fourth proportional to 27,520.87, 41,268.28 and 10,661.77 is: 15,987.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,520.87 : 41,268.28 = 10,661.77 : x
  2. Step 2: Convert to fraction form
    27,520.87/41,268.28 = 10,661.77/x
  3. Step 3: Cross multiply
    27,520.87x = 41,268.28 × 10,661.77
  4. Step 4: Simplify right side
    27,520.87x = 439,992,941.52
  5. Step 5: Solve for x
    x = 439,992,941.52/27,520.87
  6. Step 6: Final answer
    x = 15,987.61

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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.