Home / 26,149.78-39,224.67-10,578.34

Finding the Fourth Proportional to 26,149.78, 39,224.67 and 10,578.34

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Solution

The fourth proportional to 26,149.78, 39,224.67 and 10,578.34 is: 15,867.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,149.78 : 39,224.67 = 10,578.34 : x
  2. Step 2: Convert to fraction form
    26,149.78/39,224.67 = 10,578.34/x
  3. Step 3: Cross multiply
    26,149.78x = 39,224.67 × 10,578.34
  4. Step 4: Simplify right side
    26,149.78x = 414,931,895.65
  5. Step 5: Solve for x
    x = 414,931,895.65/26,149.78
  6. Step 6: Final answer
    x = 15,867.51

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Similar ratio
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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.