Home / 28,481.32-42,670.14-27,859.24

Finding the Fourth Proportional to 28,481.32, 42,670.14 and 27,859.24

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Solution

The fourth proportional to 28,481.32, 42,670.14 and 27,859.24 is: 41,738.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,481.32 : 42,670.14 = 27,859.24 : x
  2. Step 2: Convert to fraction form
    28,481.32/42,670.14 = 27,859.24/x
  3. Step 3: Cross multiply
    28,481.32x = 42,670.14 × 27,859.24
  4. Step 4: Simplify right side
    28,481.32x = 1,188,757,671.09
  5. Step 5: Solve for x
    x = 1,188,757,671.09/28,481.32
  6. Step 6: Final answer
    x = 41,738.15

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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.