Home / 20,377.31-30,568.70-8,693.27

Finding the Fourth Proportional to 20,377.31, 30,568.70 and 8,693.27

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Solution

The fourth proportional to 20,377.31, 30,568.70 and 8,693.27 is: 13,041.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,377.31 : 30,568.70 = 8,693.27 : x
  2. Step 2: Convert to fraction form
    20,377.31/30,568.70 = 8,693.27/x
  3. Step 3: Cross multiply
    20,377.31x = 30,568.70 × 8,693.27
  4. Step 4: Simplify right side
    20,377.31x = 265,741,831.54
  5. Step 5: Solve for x
    x = 265,741,831.54/20,377.31
  6. Step 6: Final answer
    x = 13,041.06

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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.