Home / 28,796.88-43,197.12-9,076.20

Finding the Fourth Proportional to 28,796.88, 43,197.12 and 9,076.20

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Solution

The fourth proportional to 28,796.88, 43,197.12 and 9,076.20 is: 13,614.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,796.88 : 43,197.12 = 9,076.20 : x
  2. Step 2: Convert to fraction form
    28,796.88/43,197.12 = 9,076.20/x
  3. Step 3: Cross multiply
    28,796.88x = 43,197.12 × 9,076.20
  4. Step 4: Simplify right side
    28,796.88x = 392,065,700.54
  5. Step 5: Solve for x
    x = 392,065,700.54/28,796.88
  6. Step 6: Final answer
    x = 13,614.87

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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.