Home / 26,195.40-39,288.78-8,425.17

Finding the Fourth Proportional to 26,195.40, 39,288.78 and 8,425.17

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Solution

The fourth proportional to 26,195.40, 39,288.78 and 8,425.17 is: 12,636.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,195.40 : 39,288.78 = 8,425.17 : x
  2. Step 2: Convert to fraction form
    26,195.40/39,288.78 = 8,425.17/x
  3. Step 3: Cross multiply
    26,195.40x = 39,288.78 × 8,425.17
  4. Step 4: Simplify right side
    26,195.40x = 331,014,650.59
  5. Step 5: Solve for x
    x = 331,014,650.59/26,195.40
  6. Step 6: Final answer
    x = 12,636.37

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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.