Home / 21,926.46-32,901.84-8,775.30

Finding the Fourth Proportional to 21,926.46, 32,901.84 and 8,775.30

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Solution

The fourth proportional to 21,926.46, 32,901.84 and 8,775.30 is: 13,167.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,926.46 : 32,901.84 = 8,775.30 : x
  2. Step 2: Convert to fraction form
    21,926.46/32,901.84 = 8,775.30/x
  3. Step 3: Cross multiply
    21,926.46x = 32,901.84 × 8,775.30
  4. Step 4: Simplify right side
    21,926.46x = 288,723,516.55
  5. Step 5: Solve for x
    x = 288,723,516.55/21,926.46
  6. Step 6: Final answer
    x = 13,167.81

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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.