Home / 25,270.80-34,872.14-13,940.44

Finding the Fourth Proportional to 25,270.80, 34,872.14 and 13,940.44

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Solution

The fourth proportional to 25,270.80, 34,872.14 and 13,940.44 is: 19,236.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,270.80 : 34,872.14 = 13,940.44 : x
  2. Step 2: Convert to fraction form
    25,270.80/34,872.14 = 13,940.44/x
  3. Step 3: Cross multiply
    25,270.80x = 34,872.14 × 13,940.44
  4. Step 4: Simplify right side
    25,270.80x = 486,132,975.34
  5. Step 5: Solve for x
    x = 486,132,975.34/25,270.80
  6. Step 6: Final answer
    x = 19,236.94

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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.