Home / 26,968.70-40,428.45-9,428.96

Finding the Fourth Proportional to 26,968.70, 40,428.45 and 9,428.96

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Solution

The fourth proportional to 26,968.70, 40,428.45 and 9,428.96 is: 14,134.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,968.70 : 40,428.45 = 9,428.96 : x
  2. Step 2: Convert to fraction form
    26,968.70/40,428.45 = 9,428.96/x
  3. Step 3: Cross multiply
    26,968.70x = 40,428.45 × 9,428.96
  4. Step 4: Simplify right side
    26,968.70x = 381,198,338.98
  5. Step 5: Solve for x
    x = 381,198,338.98/26,968.70
  6. Step 6: Final answer
    x = 14,134.84

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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.