Home / 26,660.34-36,769.01-19,961.91

Finding the Fourth Proportional to 26,660.34, 36,769.01 and 19,961.91

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Solution

The fourth proportional to 26,660.34, 36,769.01 and 19,961.91 is: 27,530.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,660.34 : 36,769.01 = 19,961.91 : x
  2. Step 2: Convert to fraction form
    26,660.34/36,769.01 = 19,961.91/x
  3. Step 3: Cross multiply
    26,660.34x = 36,769.01 × 19,961.91
  4. Step 4: Simplify right side
    26,660.34x = 733,979,568.60
  5. Step 5: Solve for x
    x = 733,979,568.60/26,660.34
  6. Step 6: Final answer
    x = 27,530.77

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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.