Home / 43,835.78-65,760.73-15,380.64

Finding the Fourth Proportional to 43,835.78, 65,760.73 and 15,380.64

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Solution

The fourth proportional to 43,835.78, 65,760.73 and 15,380.64 is: 23,073.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,835.78 : 65,760.73 = 15,380.64 : x
  2. Step 2: Convert to fraction form
    43,835.78/65,760.73 = 15,380.64/x
  3. Step 3: Cross multiply
    43,835.78x = 65,760.73 × 15,380.64
  4. Step 4: Simplify right side
    43,835.78x = 1,011,442,075.82
  5. Step 5: Solve for x
    x = 1,011,442,075.82/43,835.78
  6. Step 6: Final answer
    x = 23,073.43

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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.