Home / 27,175.50-40,769.10-8,455.14

Finding the Fourth Proportional to 27,175.50, 40,769.10 and 8,455.14

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Solution

The fourth proportional to 27,175.50, 40,769.10 and 8,455.14 is: 12,684.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,175.50 : 40,769.10 = 8,455.14 : x
  2. Step 2: Convert to fraction form
    27,175.50/40,769.10 = 8,455.14/x
  3. Step 3: Cross multiply
    27,175.50x = 40,769.10 × 8,455.14
  4. Step 4: Simplify right side
    27,175.50x = 344,708,448.17
  5. Step 5: Solve for x
    x = 344,708,448.17/27,175.50
  6. Step 6: Final answer
    x = 12,684.53

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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.