Home / 25,791.36-35,591.40-15,181.44

Finding the Fourth Proportional to 25,791.36, 35,591.40 and 15,181.44

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Solution

The fourth proportional to 25,791.36, 35,591.40 and 15,181.44 is: 20,949.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,791.36 : 35,591.40 = 15,181.44 : x
  2. Step 2: Convert to fraction form
    25,791.36/35,591.40 = 15,181.44/x
  3. Step 3: Cross multiply
    25,791.36x = 35,591.40 × 15,181.44
  4. Step 4: Simplify right side
    25,791.36x = 540,328,703.62
  5. Step 5: Solve for x
    x = 540,328,703.62/25,791.36
  6. Step 6: Final answer
    x = 20,949.99

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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.