Home / 25,052.25-34,570.88-13,721.80

Finding the Fourth Proportional to 25,052.25, 34,570.88 and 13,721.80

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Solution

The fourth proportional to 25,052.25, 34,570.88 and 13,721.80 is: 18,935.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,052.25 : 34,570.88 = 13,721.80 : x
  2. Step 2: Convert to fraction form
    25,052.25/34,570.88 = 13,721.80/x
  3. Step 3: Cross multiply
    25,052.25x = 34,570.88 × 13,721.80
  4. Step 4: Simplify right side
    25,052.25x = 474,374,727.25
  5. Step 5: Solve for x
    x = 474,374,727.25/25,052.25
  6. Step 6: Final answer
    x = 18,935.41

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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.