Home / 17,255.36-25,878.16-4,772.48

Finding the Fourth Proportional to 17,255.36, 25,878.16 and 4,772.48

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Solution

The fourth proportional to 17,255.36, 25,878.16 and 4,772.48 is: 7,157.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,255.36 : 25,878.16 = 4,772.48 : x
  2. Step 2: Convert to fraction form
    17,255.36/25,878.16 = 4,772.48/x
  3. Step 3: Cross multiply
    17,255.36x = 25,878.16 × 4,772.48
  4. Step 4: Simplify right side
    17,255.36x = 123,503,001.04
  5. Step 5: Solve for x
    x = 123,503,001.04/17,255.36
  6. Step 6: Final answer
    x = 7,157.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.