Home / 28,887.82-43,328.40-7,826.62

Finding the Fourth Proportional to 28,887.82, 43,328.40 and 7,826.62

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Solution

The fourth proportional to 28,887.82, 43,328.40 and 7,826.62 is: 11,739.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,887.82 : 43,328.40 = 7,826.62 : x
  2. Step 2: Convert to fraction form
    28,887.82/43,328.40 = 7,826.62/x
  3. Step 3: Cross multiply
    28,887.82x = 43,328.40 × 7,826.62
  4. Step 4: Simplify right side
    28,887.82x = 339,114,922.01
  5. Step 5: Solve for x
    x = 339,114,922.01/28,887.82
  6. Step 6: Final answer
    x = 11,739.03

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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.