Home / 20,377.56-30,568.67-18,284.73

Finding the Fourth Proportional to 20,377.56, 30,568.67 and 18,284.73

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Solution

The fourth proportional to 20,377.56, 30,568.67 and 18,284.73 is: 27,429.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,377.56 : 30,568.67 = 18,284.73 : x
  2. Step 2: Convert to fraction form
    20,377.56/30,568.67 = 18,284.73/x
  3. Step 3: Cross multiply
    20,377.56x = 30,568.67 × 18,284.73
  4. Step 4: Simplify right side
    20,377.56x = 558,939,785.99
  5. Step 5: Solve for x
    x = 558,939,785.99/20,377.56
  6. Step 6: Final answer
    x = 27,429.18

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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.