Home / 28,606.16-39,481.08-16,676.48

Finding the Fourth Proportional to 28,606.16, 39,481.08 and 16,676.48

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Solution

The fourth proportional to 28,606.16, 39,481.08 and 16,676.48 is: 23,016.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,606.16 : 39,481.08 = 16,676.48 : x
  2. Step 2: Convert to fraction form
    28,606.16/39,481.08 = 16,676.48/x
  3. Step 3: Cross multiply
    28,606.16x = 39,481.08 × 16,676.48
  4. Step 4: Simplify right side
    28,606.16x = 658,405,441.00
  5. Step 5: Solve for x
    x = 658,405,441.00/28,606.16
  6. Step 6: Final answer
    x = 23,016.21

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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.