Home / 28,755.65-39,693.62-16,822.83

Finding the Fourth Proportional to 28,755.65, 39,693.62 and 16,822.83

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Solution

The fourth proportional to 28,755.65, 39,693.62 and 16,822.83 is: 23,221.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,755.65 : 39,693.62 = 16,822.83 : x
  2. Step 2: Convert to fraction form
    28,755.65/39,693.62 = 16,822.83/x
  3. Step 3: Cross multiply
    28,755.65x = 39,693.62 × 16,822.83
  4. Step 4: Simplify right side
    28,755.65x = 667,759,021.34
  5. Step 5: Solve for x
    x = 667,759,021.34/28,755.65
  6. Step 6: Final answer
    x = 23,221.84

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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.