Home / 26,380.20-39,558.72-7,907.88

Finding the Fourth Proportional to 26,380.20, 39,558.72 and 7,907.88

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Solution

The fourth proportional to 26,380.20, 39,558.72 and 7,907.88 is: 11,858.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,380.20 : 39,558.72 = 7,907.88 : x
  2. Step 2: Convert to fraction form
    26,380.20/39,558.72 = 7,907.88/x
  3. Step 3: Cross multiply
    26,380.20x = 39,558.72 × 7,907.88
  4. Step 4: Simplify right side
    26,380.20x = 312,825,610.71
  5. Step 5: Solve for x
    x = 312,825,610.71/26,380.20
  6. Step 6: Final answer
    x = 11,858.35

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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.