Home / 28,940.22-39,936.33-16,365.18

Finding the Fourth Proportional to 28,940.22, 39,936.33 and 16,365.18

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Solution

The fourth proportional to 28,940.22, 39,936.33 and 16,365.18 is: 22,583.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,940.22 : 39,936.33 = 16,365.18 : x
  2. Step 2: Convert to fraction form
    28,940.22/39,936.33 = 16,365.18/x
  3. Step 3: Cross multiply
    28,940.22x = 39,936.33 × 16,365.18
  4. Step 4: Simplify right side
    28,940.22x = 653,565,228.99
  5. Step 5: Solve for x
    x = 653,565,228.99/28,940.22
  6. Step 6: Final answer
    x = 22,583.28

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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.