Home / 21,766.68-32,650.02-8,628.30

Finding the Fourth Proportional to 21,766.68, 32,650.02 and 8,628.30

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Solution

The fourth proportional to 21,766.68, 32,650.02 and 8,628.30 is: 12,942.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,766.68 : 32,650.02 = 8,628.30 : x
  2. Step 2: Convert to fraction form
    21,766.68/32,650.02 = 8,628.30/x
  3. Step 3: Cross multiply
    21,766.68x = 32,650.02 × 8,628.30
  4. Step 4: Simplify right side
    21,766.68x = 281,714,167.57
  5. Step 5: Solve for x
    x = 281,714,167.57/21,766.68
  6. Step 6: Final answer
    x = 12,942.45

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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.