Home / 27,606.66-38,105.79-15,677.94

Finding the Fourth Proportional to 27,606.66, 38,105.79 and 15,677.94

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Solution

The fourth proportional to 27,606.66, 38,105.79 and 15,677.94 is: 21,640.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,606.66 : 38,105.79 = 15,677.94 : x
  2. Step 2: Convert to fraction form
    27,606.66/38,105.79 = 15,677.94/x
  3. Step 3: Cross multiply
    27,606.66x = 38,105.79 × 15,677.94
  4. Step 4: Simplify right side
    27,606.66x = 597,420,289.27
  5. Step 5: Solve for x
    x = 597,420,289.27/27,606.66
  6. Step 6: Final answer
    x = 21,640.44

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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.