Home / 28,738.75-43,108.13-7,962.25

Finding the Fourth Proportional to 28,738.75, 43,108.13 and 7,962.25

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Solution

The fourth proportional to 28,738.75, 43,108.13 and 7,962.25 is: 11,943.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,738.75 : 43,108.13 = 7,962.25 : x
  2. Step 2: Convert to fraction form
    28,738.75/43,108.13 = 7,962.25/x
  3. Step 3: Cross multiply
    28,738.75x = 43,108.13 × 7,962.25
  4. Step 4: Simplify right side
    28,738.75x = 343,237,708.09
  5. Step 5: Solve for x
    x = 343,237,708.09/28,738.75
  6. Step 6: Final answer
    x = 11,943.38

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Similar ratio
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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.