Home / 21,646.96-32,404.68-13,861.24

Finding the Fourth Proportional to 21,646.96, 32,404.68 and 13,861.24

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Solution

The fourth proportional to 21,646.96, 32,404.68 and 13,861.24 is: 20,749.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,646.96 : 32,404.68 = 13,861.24 : x
  2. Step 2: Convert to fraction form
    21,646.96/32,404.68 = 13,861.24/x
  3. Step 3: Cross multiply
    21,646.96x = 32,404.68 × 13,861.24
  4. Step 4: Simplify right side
    21,646.96x = 449,169,046.60
  5. Step 5: Solve for x
    x = 449,169,046.60/21,646.96
  6. Step 6: Final answer
    x = 20,749.75

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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.