Home / 21,649.23-32,477.85-6,861.87

Finding the Fourth Proportional to 21,649.23, 32,477.85 and 6,861.87

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Solution

The fourth proportional to 21,649.23, 32,477.85 and 6,861.87 is: 10,294.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,649.23 : 32,477.85 = 6,861.87 : x
  2. Step 2: Convert to fraction form
    21,649.23/32,477.85 = 6,861.87/x
  3. Step 3: Cross multiply
    21,649.23x = 32,477.85 × 6,861.87
  4. Step 4: Simplify right side
    21,649.23x = 222,858,784.58
  5. Step 5: Solve for x
    x = 222,858,784.58/21,649.23
  6. Step 6: Final answer
    x = 10,294.07

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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.