Home / 28,187.73-38,906.06-16,258.23

Finding the Fourth Proportional to 28,187.73, 38,906.06 and 16,258.23

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Solution

The fourth proportional to 28,187.73, 38,906.06 and 16,258.23 is: 22,440.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,187.73 : 38,906.06 = 16,258.23 : x
  2. Step 2: Convert to fraction form
    28,187.73/38,906.06 = 16,258.23/x
  3. Step 3: Cross multiply
    28,187.73x = 38,906.06 × 16,258.23
  4. Step 4: Simplify right side
    28,187.73x = 632,543,671.87
  5. Step 5: Solve for x
    x = 632,543,671.87/28,187.73
  6. Step 6: Final answer
    x = 22,440.39

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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.