Home / 21,414.86-32,108.58-10,299.41

Finding the Fourth Proportional to 21,414.86, 32,108.58 and 10,299.41

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Solution

The fourth proportional to 21,414.86, 32,108.58 and 10,299.41 is: 15,442.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,414.86 : 32,108.58 = 10,299.41 : x
  2. Step 2: Convert to fraction form
    21,414.86/32,108.58 = 10,299.41/x
  3. Step 3: Cross multiply
    21,414.86x = 32,108.58 × 10,299.41
  4. Step 4: Simplify right side
    21,414.86x = 330,699,429.94
  5. Step 5: Solve for x
    x = 330,699,429.94/21,414.86
  6. Step 6: Final answer
    x = 15,442.52

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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.