Home / 20,464.90-28,202.97-17,930.50

Finding the Fourth Proportional to 20,464.90, 28,202.97 and 17,930.50

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Solution

The fourth proportional to 20,464.90, 28,202.97 and 17,930.50 is: 24,710.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,464.90 : 28,202.97 = 17,930.50 : x
  2. Step 2: Convert to fraction form
    20,464.90/28,202.97 = 17,930.50/x
  3. Step 3: Cross multiply
    20,464.90x = 28,202.97 × 17,930.50
  4. Step 4: Simplify right side
    20,464.90x = 505,693,353.59
  5. Step 5: Solve for x
    x = 505,693,353.59/20,464.90
  6. Step 6: Final answer
    x = 24,710.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.