Home / 28,676.14-39,572.49-16,100.89

Finding the Fourth Proportional to 28,676.14, 39,572.49 and 16,100.89

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Solution

The fourth proportional to 28,676.14, 39,572.49 and 16,100.89 is: 22,218.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,676.14 : 39,572.49 = 16,100.89 : x
  2. Step 2: Convert to fraction form
    28,676.14/39,572.49 = 16,100.89/x
  3. Step 3: Cross multiply
    28,676.14x = 39,572.49 × 16,100.89
  4. Step 4: Simplify right side
    28,676.14x = 637,152,308.52
  5. Step 5: Solve for x
    x = 637,152,308.52/28,676.14
  6. Step 6: Final answer
    x = 22,218.90

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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.