Home / 28,440.82-42,661.25-11,796.39

Finding the Fourth Proportional to 28,440.82, 42,661.25 and 11,796.39

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Solution

The fourth proportional to 28,440.82, 42,661.25 and 11,796.39 is: 17,694.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,440.82 : 42,661.25 = 11,796.39 : x
  2. Step 2: Convert to fraction form
    28,440.82/42,661.25 = 11,796.39/x
  3. Step 3: Cross multiply
    28,440.82x = 42,661.25 × 11,796.39
  4. Step 4: Simplify right side
    28,440.82x = 503,248,529.58
  5. Step 5: Solve for x
    x = 503,248,529.58/28,440.82
  6. Step 6: Final answer
    x = 17,694.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.