Home / 27,076.82-37,362.94-15,139.76

Finding the Fourth Proportional to 27,076.82, 37,362.94 and 15,139.76

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Solution

The fourth proportional to 27,076.82, 37,362.94 and 15,139.76 is: 20,891.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,076.82 : 37,362.94 = 15,139.76 : x
  2. Step 2: Convert to fraction form
    27,076.82/37,362.94 = 15,139.76/x
  3. Step 3: Cross multiply
    27,076.82x = 37,362.94 × 15,139.76
  4. Step 4: Simplify right side
    27,076.82x = 565,665,944.49
  5. Step 5: Solve for x
    x = 565,665,944.49/27,076.82
  6. Step 6: Final answer
    x = 20,891.15

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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.