Home / 26,438.82-39,660.39-10,856.58

Finding the Fourth Proportional to 26,438.82, 39,660.39 and 10,856.58

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Solution

The fourth proportional to 26,438.82, 39,660.39 and 10,856.58 is: 16,285.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,438.82 : 39,660.39 = 10,856.58 : x
  2. Step 2: Convert to fraction form
    26,438.82/39,660.39 = 10,856.58/x
  3. Step 3: Cross multiply
    26,438.82x = 39,660.39 × 10,856.58
  4. Step 4: Simplify right side
    26,438.82x = 430,576,196.87
  5. Step 5: Solve for x
    x = 430,576,196.87/26,438.82
  6. Step 6: Final answer
    x = 16,285.76

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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.