Home / 27,701.40-41,470.20-17,811.36

Finding the Fourth Proportional to 27,701.40, 41,470.20 and 17,811.36

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Solution

The fourth proportional to 27,701.40, 41,470.20 and 17,811.36 is: 26,664.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,701.40 : 41,470.20 = 17,811.36 : x
  2. Step 2: Convert to fraction form
    27,701.40/41,470.20 = 17,811.36/x
  3. Step 3: Cross multiply
    27,701.40x = 41,470.20 × 17,811.36
  4. Step 4: Simplify right side
    27,701.40x = 738,640,661.47
  5. Step 5: Solve for x
    x = 738,640,661.47/27,701.40
  6. Step 6: Final answer
    x = 26,664.38

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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.