Home / 28,546.39-39,393.22-15,799.25

Finding the Fourth Proportional to 28,546.39, 39,393.22 and 15,799.25

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Solution

The fourth proportional to 28,546.39, 39,393.22 and 15,799.25 is: 21,802.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,546.39 : 39,393.22 = 15,799.25 : x
  2. Step 2: Convert to fraction form
    28,546.39/39,393.22 = 15,799.25/x
  3. Step 3: Cross multiply
    28,546.39x = 39,393.22 × 15,799.25
  4. Step 4: Simplify right side
    28,546.39x = 622,383,486.35
  5. Step 5: Solve for x
    x = 622,383,486.35/28,546.39
  6. Step 6: Final answer
    x = 21,802.53

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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.