Home / 21,582.26-29,800.41-16,879.94

Finding the Fourth Proportional to 21,582.26, 29,800.41 and 16,879.94

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Solution

The fourth proportional to 21,582.26, 29,800.41 and 16,879.94 is: 23,307.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,582.26 : 29,800.41 = 16,879.94 : x
  2. Step 2: Convert to fraction form
    21,582.26/29,800.41 = 16,879.94/x
  3. Step 3: Cross multiply
    21,582.26x = 29,800.41 × 16,879.94
  4. Step 4: Simplify right side
    21,582.26x = 503,029,132.78
  5. Step 5: Solve for x
    x = 503,029,132.78/21,582.26
  6. Step 6: Final answer
    x = 23,307.53

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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.