Home / 26,405.53-39,614.78-7,685.73

Finding the Fourth Proportional to 26,405.53, 39,614.78 and 7,685.73

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Solution

The fourth proportional to 26,405.53, 39,614.78 and 7,685.73 is: 11,530.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,405.53 : 39,614.78 = 7,685.73 : x
  2. Step 2: Convert to fraction form
    26,405.53/39,614.78 = 7,685.73/x
  3. Step 3: Cross multiply
    26,405.53x = 39,614.78 × 7,685.73
  4. Step 4: Simplify right side
    26,405.53x = 304,468,464.66
  5. Step 5: Solve for x
    x = 304,468,464.66/26,405.53
  6. Step 6: Final answer
    x = 11,530.48

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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.