Home / 19,515.88-29,270.50-5,472.69

Finding the Fourth Proportional to 19,515.88, 29,270.50 and 5,472.69

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Solution

The fourth proportional to 19,515.88, 29,270.50 and 5,472.69 is: 8,208.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,515.88 : 29,270.50 = 5,472.69 : x
  2. Step 2: Convert to fraction form
    19,515.88/29,270.50 = 5,472.69/x
  3. Step 3: Cross multiply
    19,515.88x = 29,270.50 × 5,472.69
  4. Step 4: Simplify right side
    19,515.88x = 160,188,372.65
  5. Step 5: Solve for x
    x = 160,188,372.65/19,515.88
  6. Step 6: Final answer
    x = 8,208.10

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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.