Home / 22,725.28-34,090.62-7,939.36

Finding the Fourth Proportional to 22,725.28, 34,090.62 and 7,939.36

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Solution

The fourth proportional to 22,725.28, 34,090.62 and 7,939.36 is: 11,909.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,725.28 : 34,090.62 = 7,939.36 : x
  2. Step 2: Convert to fraction form
    22,725.28/34,090.62 = 7,939.36/x
  3. Step 3: Cross multiply
    22,725.28x = 34,090.62 × 7,939.36
  4. Step 4: Simplify right side
    22,725.28x = 270,657,704.80
  5. Step 5: Solve for x
    x = 270,657,704.80/22,725.28
  6. Step 6: Final answer
    x = 11,909.98

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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.