Home / 26,851.84-40,274.56-7,131.84

Finding the Fourth Proportional to 26,851.84, 40,274.56 and 7,131.84

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Solution

The fourth proportional to 26,851.84, 40,274.56 and 7,131.84 is: 10,696.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,851.84 : 40,274.56 = 7,131.84 : x
  2. Step 2: Convert to fraction form
    26,851.84/40,274.56 = 7,131.84/x
  3. Step 3: Cross multiply
    26,851.84x = 40,274.56 × 7,131.84
  4. Step 4: Simplify right side
    26,851.84x = 287,231,717.99
  5. Step 5: Solve for x
    x = 287,231,717.99/26,851.84
  6. Step 6: Final answer
    x = 10,696.91

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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.