Home / 28,751.85-39,676.05-16,177.41

Finding the Fourth Proportional to 28,751.85, 39,676.05 and 16,177.41

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Solution

The fourth proportional to 28,751.85, 39,676.05 and 16,177.41 is: 22,323.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,751.85 : 39,676.05 = 16,177.41 : x
  2. Step 2: Convert to fraction form
    28,751.85/39,676.05 = 16,177.41/x
  3. Step 3: Cross multiply
    28,751.85x = 39,676.05 × 16,177.41
  4. Step 4: Simplify right side
    28,751.85x = 641,855,728.03
  5. Step 5: Solve for x
    x = 641,855,728.03/28,751.85
  6. Step 6: Final answer
    x = 22,323.98

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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.