Home / 27,380.53-41,075.86-8,665.28

Finding the Fourth Proportional to 27,380.53, 41,075.86 and 8,665.28

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Solution

The fourth proportional to 27,380.53, 41,075.86 and 8,665.28 is: 12,999.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,380.53 : 41,075.86 = 8,665.28 : x
  2. Step 2: Convert to fraction form
    27,380.53/41,075.86 = 8,665.28/x
  3. Step 3: Cross multiply
    27,380.53x = 41,075.86 × 8,665.28
  4. Step 4: Simplify right side
    27,380.53x = 355,933,828.14
  5. Step 5: Solve for x
    x = 355,933,828.14/27,380.53
  6. Step 6: Final answer
    x = 12,999.52

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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.