Home / 26,696.19-40,043.75-7,976.28

Finding the Fourth Proportional to 26,696.19, 40,043.75 and 7,976.28

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Solution

The fourth proportional to 26,696.19, 40,043.75 and 7,976.28 is: 11,964.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,696.19 : 40,043.75 = 7,976.28 : x
  2. Step 2: Convert to fraction form
    26,696.19/40,043.75 = 7,976.28/x
  3. Step 3: Cross multiply
    26,696.19x = 40,043.75 × 7,976.28
  4. Step 4: Simplify right side
    26,696.19x = 319,400,122.37
  5. Step 5: Solve for x
    x = 319,400,122.37/26,696.19
  6. Step 6: Final answer
    x = 11,964.26

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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.