Home / 27,938.40-41,956.20-27,063.60

Finding the Fourth Proportional to 27,938.40, 41,956.20 and 27,063.60

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Solution

The fourth proportional to 27,938.40, 41,956.20 and 27,063.60 is: 40,642.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,938.40 : 41,956.20 = 27,063.60 : x
  2. Step 2: Convert to fraction form
    27,938.40/41,956.20 = 27,063.60/x
  3. Step 3: Cross multiply
    27,938.40x = 41,956.20 × 27,063.60
  4. Step 4: Simplify right side
    27,938.40x = 1,135,485,814.32
  5. Step 5: Solve for x
    x = 1,135,485,814.32/27,938.40
  6. Step 6: Final answer
    x = 40,642.48

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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.