Home / 22,879.08-31,573.67-12,807.27

Finding the Fourth Proportional to 22,879.08, 31,573.67 and 12,807.27

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Solution

The fourth proportional to 22,879.08, 31,573.67 and 12,807.27 is: 17,674.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,879.08 : 31,573.67 = 12,807.27 : x
  2. Step 2: Convert to fraction form
    22,879.08/31,573.67 = 12,807.27/x
  3. Step 3: Cross multiply
    22,879.08x = 31,573.67 × 12,807.27
  4. Step 4: Simplify right side
    22,879.08x = 404,372,452.54
  5. Step 5: Solve for x
    x = 404,372,452.54/22,879.08
  6. Step 6: Final answer
    x = 17,674.33

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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.