Home / 28,666.82-39,564.24-16,736.60

Finding the Fourth Proportional to 28,666.82, 39,564.24 and 16,736.60

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Solution

The fourth proportional to 28,666.82, 39,564.24 and 16,736.60 is: 23,098.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,666.82 : 39,564.24 = 16,736.60 : x
  2. Step 2: Convert to fraction form
    28,666.82/39,564.24 = 16,736.60/x
  3. Step 3: Cross multiply
    28,666.82x = 39,564.24 × 16,736.60
  4. Step 4: Simplify right side
    28,666.82x = 662,170,859.18
  5. Step 5: Solve for x
    x = 662,170,859.18/28,666.82
  6. Step 6: Final answer
    x = 23,098.86

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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.