Home / 27,693.25-41,561.57-19,318.79

Finding the Fourth Proportional to 27,693.25, 41,561.57 and 19,318.79

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Solution

The fourth proportional to 27,693.25, 41,561.57 and 19,318.79 is: 28,993.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,693.25 : 41,561.57 = 19,318.79 : x
  2. Step 2: Convert to fraction form
    27,693.25/41,561.57 = 19,318.79/x
  3. Step 3: Cross multiply
    27,693.25x = 41,561.57 × 19,318.79
  4. Step 4: Simplify right side
    27,693.25x = 802,919,242.90
  5. Step 5: Solve for x
    x = 802,919,242.90/27,693.25
  6. Step 6: Final answer
    x = 28,993.32

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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.