Home / 26,121.69-36,072.54-18,185.62

Finding the Fourth Proportional to 26,121.69, 36,072.54 and 18,185.62

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Solution

The fourth proportional to 26,121.69, 36,072.54 and 18,185.62 is: 25,113.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,121.69 : 36,072.54 = 18,185.62 : x
  2. Step 2: Convert to fraction form
    26,121.69/36,072.54 = 18,185.62/x
  3. Step 3: Cross multiply
    26,121.69x = 36,072.54 × 18,185.62
  4. Step 4: Simplify right side
    26,121.69x = 656,001,233.58
  5. Step 5: Solve for x
    x = 656,001,233.58/26,121.69
  6. Step 6: Final answer
    x = 25,113.28

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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.