Home / 26,438.82-39,657.62-7,718.10

Finding the Fourth Proportional to 26,438.82, 39,657.62 and 7,718.10

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Solution

The fourth proportional to 26,438.82, 39,657.62 and 7,718.10 is: 11,576.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,438.82 : 39,657.62 = 7,718.10 : x
  2. Step 2: Convert to fraction form
    26,438.82/39,657.62 = 7,718.10/x
  3. Step 3: Cross multiply
    26,438.82x = 39,657.62 × 7,718.10
  4. Step 4: Simplify right side
    26,438.82x = 306,081,476.92
  5. Step 5: Solve for x
    x = 306,081,476.92/26,438.82
  6. Step 6: Final answer
    x = 11,576.97

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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.