Home / 26,618.14-39,920.39-7,893.80

Finding the Fourth Proportional to 26,618.14, 39,920.39 and 7,893.80

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Solution

The fourth proportional to 26,618.14, 39,920.39 and 7,893.80 is: 11,838.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,618.14 : 39,920.39 = 7,893.80 : x
  2. Step 2: Convert to fraction form
    26,618.14/39,920.39 = 7,893.80/x
  3. Step 3: Cross multiply
    26,618.14x = 39,920.39 × 7,893.80
  4. Step 4: Simplify right side
    26,618.14x = 315,123,574.58
  5. Step 5: Solve for x
    x = 315,123,574.58/26,618.14
  6. Step 6: Final answer
    x = 11,838.68

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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.