Home / 26,325.44-36,329.82-15,721.22

Finding the Fourth Proportional to 26,325.44, 36,329.82 and 15,721.22

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Solution

The fourth proportional to 26,325.44, 36,329.82 and 15,721.22 is: 21,695.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,325.44 : 36,329.82 = 15,721.22 : x
  2. Step 2: Convert to fraction form
    26,325.44/36,329.82 = 15,721.22/x
  3. Step 3: Cross multiply
    26,325.44x = 36,329.82 × 15,721.22
  4. Step 4: Simplify right side
    26,325.44x = 571,149,124.65
  5. Step 5: Solve for x
    x = 571,149,124.65/26,325.44
  6. Step 6: Final answer
    x = 21,695.71

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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.