Home / 25,571.15-38,369.85-11,349.36

Finding the Fourth Proportional to 25,571.15, 38,369.85 and 11,349.36

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Solution

The fourth proportional to 25,571.15, 38,369.85 and 11,349.36 is: 17,029.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,571.15 : 38,369.85 = 11,349.36 : x
  2. Step 2: Convert to fraction form
    25,571.15/38,369.85 = 11,349.36/x
  3. Step 3: Cross multiply
    25,571.15x = 38,369.85 × 11,349.36
  4. Step 4: Simplify right side
    25,571.15x = 435,473,240.80
  5. Step 5: Solve for x
    x = 435,473,240.80/25,571.15
  6. Step 6: Final answer
    x = 17,029.87

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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.