Home / 27,186.06-40,765.76-11,172.70

Finding the Fourth Proportional to 27,186.06, 40,765.76 and 11,172.70

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Solution

The fourth proportional to 27,186.06, 40,765.76 and 11,172.70 is: 16,753.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,186.06 : 40,765.76 = 11,172.70 : x
  2. Step 2: Convert to fraction form
    27,186.06/40,765.76 = 11,172.70/x
  3. Step 3: Cross multiply
    27,186.06x = 40,765.76 × 11,172.70
  4. Step 4: Simplify right side
    27,186.06x = 455,463,606.75
  5. Step 5: Solve for x
    x = 455,463,606.75/27,186.06
  6. Step 6: Final answer
    x = 16,753.57

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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.