Home / 28,383.22-39,205.83-23,025.57

Finding the Fourth Proportional to 28,383.22, 39,205.83 and 23,025.57

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Solution

The fourth proportional to 28,383.22, 39,205.83 and 23,025.57 is: 31,805.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,383.22 : 39,205.83 = 23,025.57 : x
  2. Step 2: Convert to fraction form
    28,383.22/39,205.83 = 23,025.57/x
  3. Step 3: Cross multiply
    28,383.22x = 39,205.83 × 23,025.57
  4. Step 4: Simplify right side
    28,383.22x = 902,736,583.07
  5. Step 5: Solve for x
    x = 902,736,583.07/28,383.22
  6. Step 6: Final answer
    x = 31,805.29

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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.