Home / 19,579.66-27,019.84-11,628.43

Finding the Fourth Proportional to 19,579.66, 27,019.84 and 11,628.43

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Solution

The fourth proportional to 19,579.66, 27,019.84 and 11,628.43 is: 16,047.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,579.66 : 27,019.84 = 11,628.43 : x
  2. Step 2: Convert to fraction form
    19,579.66/27,019.84 = 11,628.43/x
  3. Step 3: Cross multiply
    19,579.66x = 27,019.84 × 11,628.43
  4. Step 4: Simplify right side
    19,579.66x = 314,198,318.05
  5. Step 5: Solve for x
    x = 314,198,318.05/19,579.66
  6. Step 6: Final answer
    x = 16,047.18

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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.