Home / 21,647.20-32,476.95-8,326.32

Finding the Fourth Proportional to 21,647.20, 32,476.95 and 8,326.32

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Solution

The fourth proportional to 21,647.20, 32,476.95 and 8,326.32 is: 12,491.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,647.20 : 32,476.95 = 8,326.32 : x
  2. Step 2: Convert to fraction form
    21,647.20/32,476.95 = 8,326.32/x
  3. Step 3: Cross multiply
    21,647.20x = 32,476.95 × 8,326.32
  4. Step 4: Simplify right side
    21,647.20x = 270,413,447.88
  5. Step 5: Solve for x
    x = 270,413,447.88/21,647.20
  6. Step 6: Final answer
    x = 12,491.84

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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.