Home / 28,879.06-39,850.23-16,301.38

Finding the Fourth Proportional to 28,879.06, 39,850.23 and 16,301.38

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Solution

The fourth proportional to 28,879.06, 39,850.23 and 16,301.38 is: 22,494.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,879.06 : 39,850.23 = 16,301.38 : x
  2. Step 2: Convert to fraction form
    28,879.06/39,850.23 = 16,301.38/x
  3. Step 3: Cross multiply
    28,879.06x = 39,850.23 × 16,301.38
  4. Step 4: Simplify right side
    28,879.06x = 649,613,742.32
  5. Step 5: Solve for x
    x = 649,613,742.32/28,879.06
  6. Step 6: Final answer
    x = 22,494.28

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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.