Home / 23,790.24-35,640-16,398.72

Finding the Fourth Proportional to 23,790.24, 35,640 and 16,398.72

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Solution

The fourth proportional to 23,790.24, 35,640 and 16,398.72 is: 24,566.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,790.24 : 35,640 = 16,398.72 : x
  2. Step 2: Convert to fraction form
    23,790.24/35,640 = 16,398.72/x
  3. Step 3: Cross multiply
    23,790.24x = 35,640 × 16,398.72
  4. Step 4: Simplify right side
    23,790.24x = 584,450,380.80
  5. Step 5: Solve for x
    x = 584,450,380.80/23,790.24
  6. Step 6: Final answer
    x = 24,566.81

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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.