Home / 26,993.28-37,249.56-19,917.12

Finding the Fourth Proportional to 26,993.28, 37,249.56 and 19,917.12

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Solution

The fourth proportional to 26,993.28, 37,249.56 and 19,917.12 is: 27,484.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,993.28 : 37,249.56 = 19,917.12 : x
  2. Step 2: Convert to fraction form
    26,993.28/37,249.56 = 19,917.12/x
  3. Step 3: Cross multiply
    26,993.28x = 37,249.56 × 19,917.12
  4. Step 4: Simplify right side
    26,993.28x = 741,903,956.47
  5. Step 5: Solve for x
    x = 741,903,956.47/26,993.28
  6. Step 6: Final answer
    x = 27,484.76

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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.