Home / 26,107.32-39,164.58-8,578.92

Finding the Fourth Proportional to 26,107.32, 39,164.58 and 8,578.92

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Solution

The fourth proportional to 26,107.32, 39,164.58 and 8,578.92 is: 12,869.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,107.32 : 39,164.58 = 8,578.92 : x
  2. Step 2: Convert to fraction form
    26,107.32/39,164.58 = 8,578.92/x
  3. Step 3: Cross multiply
    26,107.32x = 39,164.58 × 8,578.92
  4. Step 4: Simplify right side
    26,107.32x = 335,989,798.65
  5. Step 5: Solve for x
    x = 335,989,798.65/26,107.32
  6. Step 6: Final answer
    x = 12,869.56

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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.