Home / 28,865.96-39,832.92-16,760.91

Finding the Fourth Proportional to 28,865.96, 39,832.92 and 16,760.91

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Solution

The fourth proportional to 28,865.96, 39,832.92 and 16,760.91 is: 23,128.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,865.96 : 39,832.92 = 16,760.91 : x
  2. Step 2: Convert to fraction form
    28,865.96/39,832.92 = 16,760.91/x
  3. Step 3: Cross multiply
    28,865.96x = 39,832.92 × 16,760.91
  4. Step 4: Simplify right side
    28,865.96x = 667,635,987.16
  5. Step 5: Solve for x
    x = 667,635,987.16/28,865.96
  6. Step 6: Final answer
    x = 23,128.84

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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.