Home / 25,851.36-38,764.92-10,855.27

Finding the Fourth Proportional to 25,851.36, 38,764.92 and 10,855.27

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Solution

The fourth proportional to 25,851.36, 38,764.92 and 10,855.27 is: 16,277.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,851.36 : 38,764.92 = 10,855.27 : x
  2. Step 2: Convert to fraction form
    25,851.36/38,764.92 = 10,855.27/x
  3. Step 3: Cross multiply
    25,851.36x = 38,764.92 × 10,855.27
  4. Step 4: Simplify right side
    25,851.36x = 420,803,673.13
  5. Step 5: Solve for x
    x = 420,803,673.13/25,851.36
  6. Step 6: Final answer
    x = 16,277.82

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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.