Home / 21,585.58-32,396.82-8,447.18

Finding the Fourth Proportional to 21,585.58, 32,396.82 and 8,447.18

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Solution

The fourth proportional to 21,585.58, 32,396.82 and 8,447.18 is: 12,677.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,585.58 : 32,396.82 = 8,447.18 : x
  2. Step 2: Convert to fraction form
    21,585.58/32,396.82 = 8,447.18/x
  3. Step 3: Cross multiply
    21,585.58x = 32,396.82 × 8,447.18
  4. Step 4: Simplify right side
    21,585.58x = 273,661,628.23
  5. Step 5: Solve for x
    x = 273,661,628.23/21,585.58
  6. Step 6: Final answer
    x = 12,677.98

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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.