Home / 21,762.28-32,638.22-11,226.88

Finding the Fourth Proportional to 21,762.28, 32,638.22 and 11,226.88

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Solution

The fourth proportional to 21,762.28, 32,638.22 and 11,226.88 is: 16,837.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,762.28 : 32,638.22 = 11,226.88 : x
  2. Step 2: Convert to fraction form
    21,762.28/32,638.22 = 11,226.88/x
  3. Step 3: Cross multiply
    21,762.28x = 32,638.22 × 11,226.88
  4. Step 4: Simplify right side
    21,762.28x = 366,425,222.53
  5. Step 5: Solve for x
    x = 366,425,222.53/21,762.28
  6. Step 6: Final answer
    x = 16,837.63

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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.