Home / 27,571.40-41,324.70-20,637.80

Finding the Fourth Proportional to 27,571.40, 41,324.70 and 20,637.80

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Solution

The fourth proportional to 27,571.40, 41,324.70 and 20,637.80 is: 30,932.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,571.40 : 41,324.70 = 20,637.80 : x
  2. Step 2: Convert to fraction form
    27,571.40/41,324.70 = 20,637.80/x
  3. Step 3: Cross multiply
    27,571.40x = 41,324.70 × 20,637.80
  4. Step 4: Simplify right side
    27,571.40x = 852,850,893.66
  5. Step 5: Solve for x
    x = 852,850,893.66/27,571.40
  6. Step 6: Final answer
    x = 30,932.45

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1.5x scale

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.