Home / 21,083.60-31,590.84-16,452.56

Finding the Fourth Proportional to 21,083.60, 31,590.84 and 16,452.56

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Solution

The fourth proportional to 21,083.60, 31,590.84 and 16,452.56 is: 24,651.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,083.60 : 31,590.84 = 16,452.56 : x
  2. Step 2: Convert to fraction form
    21,083.60/31,590.84 = 16,452.56/x
  3. Step 3: Cross multiply
    21,083.60x = 31,590.84 × 16,452.56
  4. Step 4: Simplify right side
    21,083.60x = 519,750,190.55
  5. Step 5: Solve for x
    x = 519,750,190.55/21,083.60
  6. Step 6: Final answer
    x = 24,651.87

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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.