Home / 22,879.19-31,571.54-12,805.32

Finding the Fourth Proportional to 22,879.19, 31,571.54 and 12,805.32

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Solution

The fourth proportional to 22,879.19, 31,571.54 and 12,805.32 is: 17,670.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,879.19 : 31,571.54 = 12,805.32 : x
  2. Step 2: Convert to fraction form
    22,879.19/31,571.54 = 12,805.32/x
  3. Step 3: Cross multiply
    22,879.19x = 31,571.54 × 12,805.32
  4. Step 4: Simplify right side
    22,879.19x = 404,283,608.57
  5. Step 5: Solve for x
    x = 404,283,608.57/22,879.19
  6. Step 6: Final answer
    x = 17,670.37

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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.