Home / 34,809.82-52,171.83-13,728.66

Finding the Fourth Proportional to 34,809.82, 52,171.83 and 13,728.66

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Solution

The fourth proportional to 34,809.82, 52,171.83 and 13,728.66 is: 20,576.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,809.82 : 52,171.83 = 13,728.66 : x
  2. Step 2: Convert to fraction form
    34,809.82/52,171.83 = 13,728.66/x
  3. Step 3: Cross multiply
    34,809.82x = 52,171.83 × 13,728.66
  4. Step 4: Simplify right side
    34,809.82x = 716,249,315.65
  5. Step 5: Solve for x
    x = 716,249,315.65/34,809.82
  6. Step 6: Final answer
    x = 20,576.07

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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.