Home / 21,719.44-32,581.85-7,676.57

Finding the Fourth Proportional to 21,719.44, 32,581.85 and 7,676.57

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Solution

The fourth proportional to 21,719.44, 32,581.85 and 7,676.57 is: 11,515.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,719.44 : 32,581.85 = 7,676.57 : x
  2. Step 2: Convert to fraction form
    21,719.44/32,581.85 = 7,676.57/x
  3. Step 3: Cross multiply
    21,719.44x = 32,581.85 × 7,676.57
  4. Step 4: Simplify right side
    21,719.44x = 250,116,895.33
  5. Step 5: Solve for x
    x = 250,116,895.33/21,719.44
  6. Step 6: Final answer
    x = 11,515.81

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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.