Home / 27,170.77-37,493.60-15,231.84

Finding the Fourth Proportional to 27,170.77, 37,493.60 and 15,231.84

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Solution

The fourth proportional to 27,170.77, 37,493.60 and 15,231.84 is: 21,018.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,170.77 : 37,493.60 = 15,231.84 : x
  2. Step 2: Convert to fraction form
    27,170.77/37,493.60 = 15,231.84/x
  3. Step 3: Cross multiply
    27,170.77x = 37,493.60 × 15,231.84
  4. Step 4: Simplify right side
    27,170.77x = 571,096,516.22
  5. Step 5: Solve for x
    x = 571,096,516.22/27,170.77
  6. Step 6: Final answer
    x = 21,018.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.