Home / 21,613.88-32,388.42-16,676.12

Finding the Fourth Proportional to 21,613.88, 32,388.42 and 16,676.12

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Solution

The fourth proportional to 21,613.88, 32,388.42 and 16,676.12 is: 24,989.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,613.88 : 32,388.42 = 16,676.12 : x
  2. Step 2: Convert to fraction form
    21,613.88/32,388.42 = 16,676.12/x
  3. Step 3: Cross multiply
    21,613.88x = 32,388.42 × 16,676.12
  4. Step 4: Simplify right side
    21,613.88x = 540,113,178.53
  5. Step 5: Solve for x
    x = 540,113,178.53/21,613.88
  6. Step 6: Final answer
    x = 24,989.18

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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.