Home / 28,676.98-39,574.20-16,101.73

Finding the Fourth Proportional to 28,676.98, 39,574.20 and 16,101.73

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Solution

The fourth proportional to 28,676.98, 39,574.20 and 16,101.73 is: 22,220.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,676.98 : 39,574.20 = 16,101.73 : x
  2. Step 2: Convert to fraction form
    28,676.98/39,574.20 = 16,101.73/x
  3. Step 3: Cross multiply
    28,676.98x = 39,574.20 × 16,101.73
  4. Step 4: Simplify right side
    28,676.98x = 637,213,083.37
  5. Step 5: Solve for x
    x = 637,213,083.37/28,676.98
  6. Step 6: Final answer
    x = 22,220.37

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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.