Home / 28,808.82-43,184.49-13,788.23

Finding the Fourth Proportional to 28,808.82, 43,184.49 and 13,788.23

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Solution

The fourth proportional to 28,808.82, 43,184.49 and 13,788.23 is: 20,668.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,808.82 : 43,184.49 = 13,788.23 : x
  2. Step 2: Convert to fraction form
    28,808.82/43,184.49 = 13,788.23/x
  3. Step 3: Cross multiply
    28,808.82x = 43,184.49 × 13,788.23
  4. Step 4: Simplify right side
    28,808.82x = 595,437,680.55
  5. Step 5: Solve for x
    x = 595,437,680.55/28,808.82
  6. Step 6: Final answer
    x = 20,668.59

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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.