Home / 27,145.76-40,716.72-8,425.34

Finding the Fourth Proportional to 27,145.76, 40,716.72 and 8,425.34

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Solution

The fourth proportional to 27,145.76, 40,716.72 and 8,425.34 is: 12,637.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,145.76 : 40,716.72 = 8,425.34 : x
  2. Step 2: Convert to fraction form
    27,145.76/40,716.72 = 8,425.34/x
  3. Step 3: Cross multiply
    27,145.76x = 40,716.72 × 8,425.34
  4. Step 4: Simplify right side
    27,145.76x = 343,052,209.68
  5. Step 5: Solve for x
    x = 343,052,209.68/27,145.76
  6. Step 6: Final answer
    x = 12,637.41

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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.