Home / 26,789.40-40,167.90-11,995.56

Finding the Fourth Proportional to 26,789.40, 40,167.90 and 11,995.56

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Solution

The fourth proportional to 26,789.40, 40,167.90 and 11,995.56 is: 17,986.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,789.40 : 40,167.90 = 11,995.56 : x
  2. Step 2: Convert to fraction form
    26,789.40/40,167.90 = 11,995.56/x
  3. Step 3: Cross multiply
    26,789.40x = 40,167.90 × 11,995.56
  4. Step 4: Simplify right side
    26,789.40x = 481,836,454.52
  5. Step 5: Solve for x
    x = 481,836,454.52/26,789.40
  6. Step 6: Final answer
    x = 17,986.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.