Home / 28,906.48-39,891.72-16,330.96

Finding the Fourth Proportional to 28,906.48, 39,891.72 and 16,330.96

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Solution

The fourth proportional to 28,906.48, 39,891.72 and 16,330.96 is: 22,537.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,906.48 : 39,891.72 = 16,330.96 : x
  2. Step 2: Convert to fraction form
    28,906.48/39,891.72 = 16,330.96/x
  3. Step 3: Cross multiply
    28,906.48x = 39,891.72 × 16,330.96
  4. Step 4: Simplify right side
    28,906.48x = 651,470,083.65
  5. Step 5: Solve for x
    x = 651,470,083.65/28,906.48
  6. Step 6: Final answer
    x = 22,537.16

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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.