Home / 19,331.28-28,997.07-6,851.37

Finding the Fourth Proportional to 19,331.28, 28,997.07 and 6,851.37

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Solution

The fourth proportional to 19,331.28, 28,997.07 and 6,851.37 is: 10,277.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,331.28 : 28,997.07 = 6,851.37 : x
  2. Step 2: Convert to fraction form
    19,331.28/28,997.07 = 6,851.37/x
  3. Step 3: Cross multiply
    19,331.28x = 28,997.07 × 6,851.37
  4. Step 4: Simplify right side
    19,331.28x = 198,669,655.49
  5. Step 5: Solve for x
    x = 198,669,655.49/19,331.28
  6. Step 6: Final answer
    x = 10,277.11

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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.