Home / 21,941.28-32,892.30-8,087.04

Finding the Fourth Proportional to 21,941.28, 32,892.30 and 8,087.04

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Solution

The fourth proportional to 21,941.28, 32,892.30 and 8,087.04 is: 12,123.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,941.28 : 32,892.30 = 8,087.04 : x
  2. Step 2: Convert to fraction form
    21,941.28/32,892.30 = 8,087.04/x
  3. Step 3: Cross multiply
    21,941.28x = 32,892.30 × 8,087.04
  4. Step 4: Simplify right side
    21,941.28x = 266,001,345.79
  5. Step 5: Solve for x
    x = 266,001,345.79/21,941.28
  6. Step 6: Final answer
    x = 12,123.33

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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.