Home / 28,799.76-43,200.32-7,739.82

Finding the Fourth Proportional to 28,799.76, 43,200.32 and 7,739.82

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Solution

The fourth proportional to 28,799.76, 43,200.32 and 7,739.82 is: 11,609.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,799.76 : 43,200.32 = 7,739.82 : x
  2. Step 2: Convert to fraction form
    28,799.76/43,200.32 = 7,739.82/x
  3. Step 3: Cross multiply
    28,799.76x = 43,200.32 × 7,739.82
  4. Step 4: Simplify right side
    28,799.76x = 334,362,662.04
  5. Step 5: Solve for x
    x = 334,362,662.04/28,799.76
  6. Step 6: Final answer
    x = 11,609.91

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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.