Home / 20,602.30-28,451.81-17,753.73

Finding the Fourth Proportional to 20,602.30, 28,451.81 and 17,753.73

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Solution

The fourth proportional to 20,602.30, 28,451.81 and 17,753.73 is: 24,517.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,602.30 : 28,451.81 = 17,753.73 : x
  2. Step 2: Convert to fraction form
    20,602.30/28,451.81 = 17,753.73/x
  3. Step 3: Cross multiply
    20,602.30x = 28,451.81 × 17,753.73
  4. Step 4: Simplify right side
    20,602.30x = 505,125,750.62
  5. Step 5: Solve for x
    x = 505,125,750.62/20,602.30
  6. Step 6: Final answer
    x = 24,517.93

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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.