Home / 19,301.04-28,952.12-5,450.04

Finding the Fourth Proportional to 19,301.04, 28,952.12 and 5,450.04

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Solution

The fourth proportional to 19,301.04, 28,952.12 and 5,450.04 is: 8,175.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,301.04 : 28,952.12 = 5,450.04 : x
  2. Step 2: Convert to fraction form
    19,301.04/28,952.12 = 5,450.04/x
  3. Step 3: Cross multiply
    19,301.04x = 28,952.12 × 5,450.04
  4. Step 4: Simplify right side
    19,301.04x = 157,790,212.08
  5. Step 5: Solve for x
    x = 157,790,212.08/19,301.04
  6. Step 6: Final answer
    x = 8,175.22

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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.