Home / 28,096.49-38,736.97-20,039.33

Finding the Fourth Proportional to 28,096.49, 38,736.97 and 20,039.33

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Solution

The fourth proportional to 28,096.49, 38,736.97 and 20,039.33 is: 27,628.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,096.49 : 38,736.97 = 20,039.33 : x
  2. Step 2: Convert to fraction form
    28,096.49/38,736.97 = 20,039.33/x
  3. Step 3: Cross multiply
    28,096.49x = 38,736.97 × 20,039.33
  4. Step 4: Simplify right side
    28,096.49x = 776,262,681.25
  5. Step 5: Solve for x
    x = 776,262,681.25/28,096.49
  6. Step 6: Final answer
    x = 27,628.46

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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.