Home / 25,245.36-34,840.80-15,175.44

Finding the Fourth Proportional to 25,245.36, 34,840.80 and 15,175.44

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Solution

The fourth proportional to 25,245.36, 34,840.80 and 15,175.44 is: 20,943.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,245.36 : 34,840.80 = 15,175.44 : x
  2. Step 2: Convert to fraction form
    25,245.36/34,840.80 = 15,175.44/x
  3. Step 3: Cross multiply
    25,245.36x = 34,840.80 × 15,175.44
  4. Step 4: Simplify right side
    25,245.36x = 528,724,469.95
  5. Step 5: Solve for x
    x = 528,724,469.95/25,245.36
  6. Step 6: Final answer
    x = 20,943.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.