Home / 28,751.60-39,676.74-16,176.26

Finding the Fourth Proportional to 28,751.60, 39,676.74 and 16,176.26

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Solution

The fourth proportional to 28,751.60, 39,676.74 and 16,176.26 is: 22,322.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,751.60 : 39,676.74 = 16,176.26 : x
  2. Step 2: Convert to fraction form
    28,751.60/39,676.74 = 16,176.26/x
  3. Step 3: Cross multiply
    28,751.60x = 39,676.74 × 16,176.26
  4. Step 4: Simplify right side
    28,751.60x = 641,821,262.19
  5. Step 5: Solve for x
    x = 641,821,262.19/28,751.60
  6. Step 6: Final answer
    x = 22,322.98

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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.