Home / 15,877-23,826.44-5,488.75

Finding the Fourth Proportional to 15,877, 23,826.44 and 5,488.75

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Solution

The fourth proportional to 15,877, 23,826.44 and 5,488.75 is: 8,236.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,877 : 23,826.44 = 5,488.75 : x
  2. Step 2: Convert to fraction form
    15,877/23,826.44 = 5,488.75/x
  3. Step 3: Cross multiply
    15,877x = 23,826.44 × 5,488.75
  4. Step 4: Simplify right side
    15,877x = 130,777,372.55
  5. Step 5: Solve for x
    x = 130,777,372.55/15,877
  6. Step 6: Final answer
    x = 8,236.91

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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.