Home / 19,889.28-27,446.49-10,936.70

Finding the Fourth Proportional to 19,889.28, 27,446.49 and 10,936.70

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Solution

The fourth proportional to 19,889.28, 27,446.49 and 10,936.70 is: 15,092.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,889.28 : 27,446.49 = 10,936.70 : x
  2. Step 2: Convert to fraction form
    19,889.28/27,446.49 = 10,936.70/x
  3. Step 3: Cross multiply
    19,889.28x = 27,446.49 × 10,936.70
  4. Step 4: Simplify right side
    19,889.28x = 300,174,027.18
  5. Step 5: Solve for x
    x = 300,174,027.18/19,889.28
  6. Step 6: Final answer
    x = 15,092.25

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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.