Home / 27,958.12-41,912.22-10,428.76

Finding the Fourth Proportional to 27,958.12, 41,912.22 and 10,428.76

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Solution

The fourth proportional to 27,958.12, 41,912.22 and 10,428.76 is: 15,633.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,958.12 : 41,912.22 = 10,428.76 : x
  2. Step 2: Convert to fraction form
    27,958.12/41,912.22 = 10,428.76/x
  3. Step 3: Cross multiply
    27,958.12x = 41,912.22 × 10,428.76
  4. Step 4: Simplify right side
    27,958.12x = 437,092,483.45
  5. Step 5: Solve for x
    x = 437,092,483.45/27,958.12
  6. Step 6: Final answer
    x = 15,633.83

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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.