Home / 20,744.84-28,398.82-20,596.60

Finding the Fourth Proportional to 20,744.84, 28,398.82 and 20,596.60

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Solution

The fourth proportional to 20,744.84, 28,398.82 and 20,596.60 is: 28,195.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,744.84 : 28,398.82 = 20,596.60 : x
  2. Step 2: Convert to fraction form
    20,744.84/28,398.82 = 20,596.60/x
  3. Step 3: Cross multiply
    20,744.84x = 28,398.82 × 20,596.60
  4. Step 4: Simplify right side
    20,744.84x = 584,919,136.01
  5. Step 5: Solve for x
    x = 584,919,136.01/20,744.84
  6. Step 6: Final answer
    x = 28,195.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.