Home / 20,522.30-30,785.25-15,043.82

Finding the Fourth Proportional to 20,522.30, 30,785.25 and 15,043.82

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Solution

The fourth proportional to 20,522.30, 30,785.25 and 15,043.82 is: 22,567.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,522.30 : 30,785.25 = 15,043.82 : x
  2. Step 2: Convert to fraction form
    20,522.30/30,785.25 = 15,043.82/x
  3. Step 3: Cross multiply
    20,522.30x = 30,785.25 × 15,043.82
  4. Step 4: Simplify right side
    20,522.30x = 463,127,759.66
  5. Step 5: Solve for x
    x = 463,127,759.66/20,522.30
  6. Step 6: Final answer
    x = 22,567.05

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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.