Home / 28,736.25-39,656.03-16,161

Finding the Fourth Proportional to 28,736.25, 39,656.03 and 16,161

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Solution

The fourth proportional to 28,736.25, 39,656.03 and 16,161 is: 22,302.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,736.25 : 39,656.03 = 16,161 : x
  2. Step 2: Convert to fraction form
    28,736.25/39,656.03 = 16,161/x
  3. Step 3: Cross multiply
    28,736.25x = 39,656.03 × 16,161
  4. Step 4: Simplify right side
    28,736.25x = 640,881,100.83
  5. Step 5: Solve for x
    x = 640,881,100.83/28,736.25
  6. Step 6: Final answer
    x = 22,302.18

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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.