Home / 28,862.73-39,830.18-16,116.12

Finding the Fourth Proportional to 28,862.73, 39,830.18 and 16,116.12

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Solution

The fourth proportional to 28,862.73, 39,830.18 and 16,116.12 is: 22,240.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,862.73 : 39,830.18 = 16,116.12 : x
  2. Step 2: Convert to fraction form
    28,862.73/39,830.18 = 16,116.12/x
  3. Step 3: Cross multiply
    28,862.73x = 39,830.18 × 16,116.12
  4. Step 4: Simplify right side
    28,862.73x = 641,907,879.92
  5. Step 5: Solve for x
    x = 641,907,879.92/28,862.73
  6. Step 6: Final answer
    x = 22,240.03

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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.