Home / 26,736.12-36,879.69-17,172.78

Finding the Fourth Proportional to 26,736.12, 36,879.69 and 17,172.78

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Solution

The fourth proportional to 26,736.12, 36,879.69 and 17,172.78 is: 23,688.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,736.12 : 36,879.69 = 17,172.78 : x
  2. Step 2: Convert to fraction form
    26,736.12/36,879.69 = 17,172.78/x
  3. Step 3: Cross multiply
    26,736.12x = 36,879.69 × 17,172.78
  4. Step 4: Simplify right side
    26,736.12x = 633,326,802.84
  5. Step 5: Solve for x
    x = 633,326,802.84/26,736.12
  6. Step 6: Final answer
    x = 23,688.06

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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.