Home / 21,659.60-32,452.42-11,781.24

Finding the Fourth Proportional to 21,659.60, 32,452.42 and 11,781.24

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Solution

The fourth proportional to 21,659.60, 32,452.42 and 11,781.24 is: 17,651.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,659.60 : 32,452.42 = 11,781.24 : x
  2. Step 2: Convert to fraction form
    21,659.60/32,452.42 = 11,781.24/x
  3. Step 3: Cross multiply
    21,659.60x = 32,452.42 × 11,781.24
  4. Step 4: Simplify right side
    21,659.60x = 382,329,748.60
  5. Step 5: Solve for x
    x = 382,329,748.60/21,659.60
  6. Step 6: Final answer
    x = 17,651.75

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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.