Home / 27,147.26-40,718.96-8,426.84

Finding the Fourth Proportional to 27,147.26, 40,718.96 and 8,426.84

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Solution

The fourth proportional to 27,147.26, 40,718.96 and 8,426.84 is: 12,639.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,147.26 : 40,718.96 = 8,426.84 : x
  2. Step 2: Convert to fraction form
    27,147.26/40,718.96 = 8,426.84/x
  3. Step 3: Cross multiply
    27,147.26x = 40,718.96 × 8,426.84
  4. Step 4: Simplify right side
    27,147.26x = 343,132,160.89
  5. Step 5: Solve for x
    x = 343,132,160.89/27,147.26
  6. Step 6: Final answer
    x = 12,639.66

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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.