Home / 25,185.44-34,756.79-13,855.79

Finding the Fourth Proportional to 25,185.44, 34,756.79 and 13,855.79

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Solution

The fourth proportional to 25,185.44, 34,756.79 and 13,855.79 is: 19,121.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,185.44 : 34,756.79 = 13,855.79 : x
  2. Step 2: Convert to fraction form
    25,185.44/34,756.79 = 13,855.79/x
  3. Step 3: Cross multiply
    25,185.44x = 34,756.79 × 13,855.79
  4. Step 4: Simplify right side
    25,185.44x = 481,582,783.31
  5. Step 5: Solve for x
    x = 481,582,783.31/25,185.44
  6. Step 6: Final answer
    x = 19,121.48

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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.