Home / 22,879.44-31,566.61-15,313.78

Finding the Fourth Proportional to 22,879.44, 31,566.61 and 15,313.78

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Solution

The fourth proportional to 22,879.44, 31,566.61 and 15,313.78 is: 21,128.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,879.44 : 31,566.61 = 15,313.78 : x
  2. Step 2: Convert to fraction form
    22,879.44/31,566.61 = 15,313.78/x
  3. Step 3: Cross multiply
    22,879.44x = 31,566.61 × 15,313.78
  4. Step 4: Simplify right side
    22,879.44x = 483,404,268.27
  5. Step 5: Solve for x
    x = 483,404,268.27/22,879.44
  6. Step 6: Final answer
    x = 21,128.33

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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.