Home / 15,435.38-23,153.07-3,748.52

Finding the Fourth Proportional to 15,435.38, 23,153.07 and 3,748.52

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Solution

The fourth proportional to 15,435.38, 23,153.07 and 3,748.52 is: 5,622.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,435.38 : 23,153.07 = 3,748.52 : x
  2. Step 2: Convert to fraction form
    15,435.38/23,153.07 = 3,748.52/x
  3. Step 3: Cross multiply
    15,435.38x = 23,153.07 × 3,748.52
  4. Step 4: Simplify right side
    15,435.38x = 86,789,817.90
  5. Step 5: Solve for x
    x = 86,789,817.90/15,435.38
  6. Step 6: Final answer
    x = 5,622.78

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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.