Home / 27,945.27-41,917.30-13,145.99

Finding the Fourth Proportional to 27,945.27, 41,917.30 and 13,145.99

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Solution

The fourth proportional to 27,945.27, 41,917.30 and 13,145.99 is: 19,718.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,945.27 : 41,917.30 = 13,145.99 : x
  2. Step 2: Convert to fraction form
    27,945.27/41,917.30 = 13,145.99/x
  3. Step 3: Cross multiply
    27,945.27x = 41,917.30 × 13,145.99
  4. Step 4: Simplify right side
    27,945.27x = 551,044,164.18
  5. Step 5: Solve for x
    x = 551,044,164.18/27,945.27
  6. Step 6: Final answer
    x = 19,718.69

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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.