Home / 20,989.44-31,486.08-10,594.56

Finding the Fourth Proportional to 20,989.44, 31,486.08 and 10,594.56

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Solution

The fourth proportional to 20,989.44, 31,486.08 and 10,594.56 is: 15,892.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,989.44 : 31,486.08 = 10,594.56 : x
  2. Step 2: Convert to fraction form
    20,989.44/31,486.08 = 10,594.56/x
  3. Step 3: Cross multiply
    20,989.44x = 31,486.08 × 10,594.56
  4. Step 4: Simplify right side
    20,989.44x = 333,581,163.72
  5. Step 5: Solve for x
    x = 333,581,163.72/20,989.44
  6. Step 6: Final answer
    x = 15,892.81

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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.