Home / 20,487.35-28,213.04-17,797.34

Finding the Fourth Proportional to 20,487.35, 28,213.04 and 17,797.34

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Solution

The fourth proportional to 20,487.35, 28,213.04 and 17,797.34 is: 24,508.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,487.35 : 28,213.04 = 17,797.34 : x
  2. Step 2: Convert to fraction form
    20,487.35/28,213.04 = 17,797.34/x
  3. Step 3: Cross multiply
    20,487.35x = 28,213.04 × 17,797.34
  4. Step 4: Simplify right side
    20,487.35x = 502,116,976.33
  5. Step 5: Solve for x
    x = 502,116,976.33/20,487.35
  6. Step 6: Final answer
    x = 24,508.63

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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.