Home / 27,820.80-41,828.40-27,237.60

Finding the Fourth Proportional to 27,820.80, 41,828.40 and 27,237.60

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Solution

The fourth proportional to 27,820.80, 41,828.40 and 27,237.60 is: 40,951.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,820.80 : 41,828.40 = 27,237.60 : x
  2. Step 2: Convert to fraction form
    27,820.80/41,828.40 = 27,237.60/x
  3. Step 3: Cross multiply
    27,820.80x = 41,828.40 × 27,237.60
  4. Step 4: Simplify right side
    27,820.80x = 1,139,305,227.84
  5. Step 5: Solve for x
    x = 1,139,305,227.84/27,820.80
  6. Step 6: Final answer
    x = 40,951.56

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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.