Home / 28,771.88-43,161.48-7,995.38

Finding the Fourth Proportional to 28,771.88, 43,161.48 and 7,995.38

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Solution

The fourth proportional to 28,771.88, 43,161.48 and 7,995.38 is: 11,994.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,771.88 : 43,161.48 = 7,995.38 : x
  2. Step 2: Convert to fraction form
    28,771.88/43,161.48 = 7,995.38/x
  3. Step 3: Cross multiply
    28,771.88x = 43,161.48 × 7,995.38
  4. Step 4: Simplify right side
    28,771.88x = 345,092,218.16
  5. Step 5: Solve for x
    x = 345,092,218.16/28,771.88
  6. Step 6: Final answer
    x = 11,994.08

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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.