Home / 21,784.23-32,680.60-6,992.01

Finding the Fourth Proportional to 21,784.23, 32,680.60 and 6,992.01

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Solution

The fourth proportional to 21,784.23, 32,680.60 and 6,992.01 is: 10,489.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,784.23 : 32,680.60 = 6,992.01 : x
  2. Step 2: Convert to fraction form
    21,784.23/32,680.60 = 6,992.01/x
  3. Step 3: Cross multiply
    21,784.23x = 32,680.60 × 6,992.01
  4. Step 4: Simplify right side
    21,784.23x = 228,503,082.01
  5. Step 5: Solve for x
    x = 228,503,082.01/21,784.23
  6. Step 6: Final answer
    x = 10,489.38

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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.