Home / 28,431.07-39,234.43-16,496.46

Finding the Fourth Proportional to 28,431.07, 39,234.43 and 16,496.46

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Solution

The fourth proportional to 28,431.07, 39,234.43 and 16,496.46 is: 22,764.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,431.07 : 39,234.43 = 16,496.46 : x
  2. Step 2: Convert to fraction form
    28,431.07/39,234.43 = 16,496.46/x
  3. Step 3: Cross multiply
    28,431.07x = 39,234.43 × 16,496.46
  4. Step 4: Simplify right side
    28,431.07x = 647,229,205.12
  5. Step 5: Solve for x
    x = 647,229,205.12/28,431.07
  6. Step 6: Final answer
    x = 22,764.86

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1.5x scale

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.