Home / 28,709.22-43,063.83-15,644.63

Finding the Fourth Proportional to 28,709.22, 43,063.83 and 15,644.63

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Solution

The fourth proportional to 28,709.22, 43,063.83 and 15,644.63 is: 23,466.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,709.22 : 43,063.83 = 15,644.63 : x
  2. Step 2: Convert to fraction form
    28,709.22/43,063.83 = 15,644.63/x
  3. Step 3: Cross multiply
    28,709.22x = 43,063.83 × 15,644.63
  4. Step 4: Simplify right side
    28,709.22x = 673,717,471.41
  5. Step 5: Solve for x
    x = 673,717,471.41/28,709.22
  6. Step 6: Final answer
    x = 23,466.94

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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.