Home / 28,879.48-39,853.36-16,940.52

Finding the Fourth Proportional to 28,879.48, 39,853.36 and 16,940.52

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Solution

The fourth proportional to 28,879.48, 39,853.36 and 16,940.52 is: 23,377.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,879.48 : 39,853.36 = 16,940.52 : x
  2. Step 2: Convert to fraction form
    28,879.48/39,853.36 = 16,940.52/x
  3. Step 3: Cross multiply
    28,879.48x = 39,853.36 × 16,940.52
  4. Step 4: Simplify right side
    28,879.48x = 675,136,642.15
  5. Step 5: Solve for x
    x = 675,136,642.15/28,879.48
  6. Step 6: Final answer
    x = 23,377.73

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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.