Home / 26,505.98-36,578.33-15,175.65

Finding the Fourth Proportional to 26,505.98, 36,578.33 and 15,175.65

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Solution

The fourth proportional to 26,505.98, 36,578.33 and 15,175.65 is: 20,942.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,505.98 : 36,578.33 = 15,175.65 : x
  2. Step 2: Convert to fraction form
    26,505.98/36,578.33 = 15,175.65/x
  3. Step 3: Cross multiply
    26,505.98x = 36,578.33 × 15,175.65
  4. Step 4: Simplify right side
    26,505.98x = 555,100,137.23
  5. Step 5: Solve for x
    x = 555,100,137.23/26,505.98
  6. Step 6: Final answer
    x = 20,942.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.