Home / 28,638.26-39,520.68-16,063.01

Finding the Fourth Proportional to 28,638.26, 39,520.68 and 16,063.01

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Solution

The fourth proportional to 28,638.26, 39,520.68 and 16,063.01 is: 22,166.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,638.26 : 39,520.68 = 16,063.01 : x
  2. Step 2: Convert to fraction form
    28,638.26/39,520.68 = 16,063.01/x
  3. Step 3: Cross multiply
    28,638.26x = 39,520.68 × 16,063.01
  4. Step 4: Simplify right side
    28,638.26x = 634,821,078.05
  5. Step 5: Solve for x
    x = 634,821,078.05/28,638.26
  6. Step 6: Final answer
    x = 22,166.89

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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.