Home / 23,730.80-32,749.18-13,121.11

Finding the Fourth Proportional to 23,730.80, 32,749.18 and 13,121.11

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Solution

The fourth proportional to 23,730.80, 32,749.18 and 13,121.11 is: 18,107.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,730.80 : 32,749.18 = 13,121.11 : x
  2. Step 2: Convert to fraction form
    23,730.80/32,749.18 = 13,121.11/x
  3. Step 3: Cross multiply
    23,730.80x = 32,749.18 × 13,121.11
  4. Step 4: Simplify right side
    23,730.80x = 429,705,593.19
  5. Step 5: Solve for x
    x = 429,705,593.19/23,730.80
  6. Step 6: Final answer
    x = 18,107.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.