Home / 27,145.26-40,715.97-8,424.84

Finding the Fourth Proportional to 27,145.26, 40,715.97 and 8,424.84

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Solution

The fourth proportional to 27,145.26, 40,715.97 and 8,424.84 is: 12,636.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,145.26 : 40,715.97 = 8,424.84 : x
  2. Step 2: Convert to fraction form
    27,145.26/40,715.97 = 8,424.84/x
  3. Step 3: Cross multiply
    27,145.26x = 40,715.97 × 8,424.84
  4. Step 4: Simplify right side
    27,145.26x = 343,025,532.69
  5. Step 5: Solve for x
    x = 343,025,532.69/27,145.26
  6. Step 6: Final answer
    x = 12,636.66

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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.