Home / 26,107.84-39,166.62-8,578.90

Finding the Fourth Proportional to 26,107.84, 39,166.62 and 8,578.90

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Solution

The fourth proportional to 26,107.84, 39,166.62 and 8,578.90 is: 12,869.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,107.84 : 39,166.62 = 8,578.90 : x
  2. Step 2: Convert to fraction form
    26,107.84/39,166.62 = 8,578.90/x
  3. Step 3: Cross multiply
    26,107.84x = 39,166.62 × 8,578.90
  4. Step 4: Simplify right side
    26,107.84x = 336,006,516.32
  5. Step 5: Solve for x
    x = 336,006,516.32/26,107.84
  6. Step 6: Final answer
    x = 12,869.95

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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.