Home / 17,872.31-26,806.21-4,725.72

Finding the Fourth Proportional to 17,872.31, 26,806.21 and 4,725.72

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Solution

The fourth proportional to 17,872.31, 26,806.21 and 4,725.72 is: 7,087.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,872.31 : 26,806.21 = 4,725.72 : x
  2. Step 2: Convert to fraction form
    17,872.31/26,806.21 = 4,725.72/x
  3. Step 3: Cross multiply
    17,872.31x = 26,806.21 × 4,725.72
  4. Step 4: Simplify right side
    17,872.31x = 126,678,630.91
  5. Step 5: Solve for x
    x = 126,678,630.91/17,872.31
  6. Step 6: Final answer
    x = 7,087.98

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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.