Home / 21,781.26-32,629.08-14,363.10

Finding the Fourth Proportional to 21,781.26, 32,629.08 and 14,363.10

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Solution

The fourth proportional to 21,781.26, 32,629.08 and 14,363.10 is: 21,516.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,781.26 : 32,629.08 = 14,363.10 : x
  2. Step 2: Convert to fraction form
    21,781.26/32,629.08 = 14,363.10/x
  3. Step 3: Cross multiply
    21,781.26x = 32,629.08 × 14,363.10
  4. Step 4: Simplify right side
    21,781.26x = 468,654,738.95
  5. Step 5: Solve for x
    x = 468,654,738.95/21,781.26
  6. Step 6: Final answer
    x = 21,516.42

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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.