Home / 27,162.44-40,731.36-8,436.92

Finding the Fourth Proportional to 27,162.44, 40,731.36 and 8,436.92

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Solution

The fourth proportional to 27,162.44, 40,731.36 and 8,436.92 is: 12,651.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,162.44 : 40,731.36 = 8,436.92 : x
  2. Step 2: Convert to fraction form
    27,162.44/40,731.36 = 8,436.92/x
  3. Step 3: Cross multiply
    27,162.44x = 40,731.36 × 8,436.92
  4. Step 4: Simplify right side
    27,162.44x = 343,647,225.81
  5. Step 5: Solve for x
    x = 343,647,225.81/27,162.44
  6. Step 6: Final answer
    x = 12,651.56

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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.