Home / 21,627.15-32,418.55-8,296.55

Finding the Fourth Proportional to 21,627.15, 32,418.55 and 8,296.55

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Solution

The fourth proportional to 21,627.15, 32,418.55 and 8,296.55 is: 12,436.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,627.15 : 32,418.55 = 8,296.55 : x
  2. Step 2: Convert to fraction form
    21,627.15/32,418.55 = 8,296.55/x
  3. Step 3: Cross multiply
    21,627.15x = 32,418.55 × 8,296.55
  4. Step 4: Simplify right side
    21,627.15x = 268,962,205.36
  5. Step 5: Solve for x
    x = 268,962,205.36/21,627.15
  6. Step 6: Final answer
    x = 12,436.32

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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.