Home / 20,725.44-31,080.82-6,684.92

Finding the Fourth Proportional to 20,725.44, 31,080.82 and 6,684.92

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Solution

The fourth proportional to 20,725.44, 31,080.82 and 6,684.92 is: 10,025.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,725.44 : 31,080.82 = 6,684.92 : x
  2. Step 2: Convert to fraction form
    20,725.44/31,080.82 = 6,684.92/x
  3. Step 3: Cross multiply
    20,725.44x = 31,080.82 × 6,684.92
  4. Step 4: Simplify right side
    20,725.44x = 207,772,795.23
  5. Step 5: Solve for x
    x = 207,772,795.23/20,725.44
  6. Step 6: Final answer
    x = 10,025.01

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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.