Home / 23,311.20-34,975.92-13,445.28

Finding the Fourth Proportional to 23,311.20, 34,975.92 and 13,445.28

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Solution

The fourth proportional to 23,311.20, 34,975.92 and 13,445.28 is: 20,173.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,311.20 : 34,975.92 = 13,445.28 : x
  2. Step 2: Convert to fraction form
    23,311.20/34,975.92 = 13,445.28/x
  3. Step 3: Cross multiply
    23,311.20x = 34,975.92 × 13,445.28
  4. Step 4: Simplify right side
    23,311.20x = 470,261,037.66
  5. Step 5: Solve for x
    x = 470,261,037.66/23,311.20
  6. Step 6: Final answer
    x = 20,173.18

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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.