Home / 26,321.28-39,475.20-7,848.96

Finding the Fourth Proportional to 26,321.28, 39,475.20 and 7,848.96

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Solution

The fourth proportional to 26,321.28, 39,475.20 and 7,848.96 is: 11,771.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,321.28 : 39,475.20 = 7,848.96 : x
  2. Step 2: Convert to fraction form
    26,321.28/39,475.20 = 7,848.96/x
  3. Step 3: Cross multiply
    26,321.28x = 39,475.20 × 7,848.96
  4. Step 4: Simplify right side
    26,321.28x = 309,839,265.79
  5. Step 5: Solve for x
    x = 309,839,265.79/26,321.28
  6. Step 6: Final answer
    x = 11,771.44

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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.