Home / 21,764.28-32,650.46-6,976.92

Finding the Fourth Proportional to 21,764.28, 32,650.46 and 6,976.92

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Solution

The fourth proportional to 21,764.28, 32,650.46 and 6,976.92 is: 10,466.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,764.28 : 32,650.46 = 6,976.92 : x
  2. Step 2: Convert to fraction form
    21,764.28/32,650.46 = 6,976.92/x
  3. Step 3: Cross multiply
    21,764.28x = 32,650.46 × 6,976.92
  4. Step 4: Simplify right side
    21,764.28x = 227,799,647.38
  5. Step 5: Solve for x
    x = 227,799,647.38/21,764.28
  6. Step 6: Final answer
    x = 10,466.68

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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.