Home / 38,289.88-57,434.76-11,996.66

Finding the Fourth Proportional to 38,289.88, 57,434.76 and 11,996.66

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Solution

The fourth proportional to 38,289.88, 57,434.76 and 11,996.66 is: 17,994.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,289.88 : 57,434.76 = 11,996.66 : x
  2. Step 2: Convert to fraction form
    38,289.88/57,434.76 = 11,996.66/x
  3. Step 3: Cross multiply
    38,289.88x = 57,434.76 × 11,996.66
  4. Step 4: Simplify right side
    38,289.88x = 689,025,287.90
  5. Step 5: Solve for x
    x = 689,025,287.90/38,289.88
  6. Step 6: Final answer
    x = 17,994.97

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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.