Home / 20,525.43-28,268.46-17,691.77

Finding the Fourth Proportional to 20,525.43, 28,268.46 and 17,691.77

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Solution

The fourth proportional to 20,525.43, 28,268.46 and 17,691.77 is: 24,365.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,525.43 : 28,268.46 = 17,691.77 : x
  2. Step 2: Convert to fraction form
    20,525.43/28,268.46 = 17,691.77/x
  3. Step 3: Cross multiply
    20,525.43x = 28,268.46 × 17,691.77
  4. Step 4: Simplify right side
    20,525.43x = 500,118,951.23
  5. Step 5: Solve for x
    x = 500,118,951.23/20,525.43
  6. Step 6: Final answer
    x = 24,365.82

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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.