Home / 26,160.11-39,239.82-6,438.83

Finding the Fourth Proportional to 26,160.11, 39,239.82 and 6,438.83

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Solution

The fourth proportional to 26,160.11, 39,239.82 and 6,438.83 is: 9,658.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,160.11 : 39,239.82 = 6,438.83 : x
  2. Step 2: Convert to fraction form
    26,160.11/39,239.82 = 6,438.83/x
  3. Step 3: Cross multiply
    26,160.11x = 39,239.82 × 6,438.83
  4. Step 4: Simplify right side
    26,160.11x = 252,658,628.31
  5. Step 5: Solve for x
    x = 252,658,628.31/26,160.11
  6. Step 6: Final answer
    x = 9,658.17

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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.