Home / 20,003.80-27,613.02-17,904.28

Finding the Fourth Proportional to 20,003.80, 27,613.02 and 17,904.28

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Solution

The fourth proportional to 20,003.80, 27,613.02 and 17,904.28 is: 24,714.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,003.80 : 27,613.02 = 17,904.28 : x
  2. Step 2: Convert to fraction form
    20,003.80/27,613.02 = 17,904.28/x
  3. Step 3: Cross multiply
    20,003.80x = 27,613.02 × 17,904.28
  4. Step 4: Simplify right side
    20,003.80x = 494,391,241.73
  5. Step 5: Solve for x
    x = 494,391,241.73/20,003.80
  6. Step 6: Final answer
    x = 24,714.87

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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.