Home / 26,442.29-39,667.14-7,723.70

Finding the Fourth Proportional to 26,442.29, 39,667.14 and 7,723.70

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Solution

The fourth proportional to 26,442.29, 39,667.14 and 7,723.70 is: 11,586.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,442.29 : 39,667.14 = 7,723.70 : x
  2. Step 2: Convert to fraction form
    26,442.29/39,667.14 = 7,723.70/x
  3. Step 3: Cross multiply
    26,442.29x = 39,667.14 × 7,723.70
  4. Step 4: Simplify right side
    26,442.29x = 306,376,890.88
  5. Step 5: Solve for x
    x = 306,376,890.88/26,442.29
  6. Step 6: Final answer
    x = 11,586.63

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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.