Home / 27,986.42-41,985.18-7,996.09

Finding the Fourth Proportional to 27,986.42, 41,985.18 and 7,996.09

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Solution

The fourth proportional to 27,986.42, 41,985.18 and 7,996.09 is: 11,995.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,986.42 : 41,985.18 = 7,996.09 : x
  2. Step 2: Convert to fraction form
    27,986.42/41,985.18 = 7,996.09/x
  3. Step 3: Cross multiply
    27,986.42x = 41,985.18 × 7,996.09
  4. Step 4: Simplify right side
    27,986.42x = 335,717,172.98
  5. Step 5: Solve for x
    x = 335,717,172.98/27,986.42
  6. Step 6: Final answer
    x = 11,995.72

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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.