Home / 20,801.37-31,191.12-17,892.66

Finding the Fourth Proportional to 20,801.37, 31,191.12 and 17,892.66

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Solution

The fourth proportional to 20,801.37, 31,191.12 and 17,892.66 is: 26,829.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,801.37 : 31,191.12 = 17,892.66 : x
  2. Step 2: Convert to fraction form
    20,801.37/31,191.12 = 17,892.66/x
  3. Step 3: Cross multiply
    20,801.37x = 31,191.12 × 17,892.66
  4. Step 4: Simplify right side
    20,801.37x = 558,092,105.18
  5. Step 5: Solve for x
    x = 558,092,105.18/20,801.37
  6. Step 6: Final answer
    x = 26,829.58

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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.