Home / 20,686.44-31,025.39-5,891.39

Finding the Fourth Proportional to 20,686.44, 31,025.39 and 5,891.39

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Solution

The fourth proportional to 20,686.44, 31,025.39 and 5,891.39 is: 8,835.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,686.44 : 31,025.39 = 5,891.39 : x
  2. Step 2: Convert to fraction form
    20,686.44/31,025.39 = 5,891.39/x
  3. Step 3: Cross multiply
    20,686.44x = 31,025.39 × 5,891.39
  4. Step 4: Simplify right side
    20,686.44x = 182,782,487.81
  5. Step 5: Solve for x
    x = 182,782,487.81/20,686.44
  6. Step 6: Final answer
    x = 8,835.86

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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.