Home / 27,131.41-40,707.83-8,412.92

Finding the Fourth Proportional to 27,131.41, 40,707.83 and 8,412.92

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Solution

The fourth proportional to 27,131.41, 40,707.83 and 8,412.92 is: 12,622.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,131.41 : 40,707.83 = 8,412.92 : x
  2. Step 2: Convert to fraction form
    27,131.41/40,707.83 = 8,412.92/x
  3. Step 3: Cross multiply
    27,131.41x = 40,707.83 × 8,412.92
  4. Step 4: Simplify right side
    27,131.41x = 342,471,717.16
  5. Step 5: Solve for x
    x = 342,471,717.16/27,131.41
  6. Step 6: Final answer
    x = 12,622.70

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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.