Home / 15,425.79-23,138.68-3,739.01

Finding the Fourth Proportional to 15,425.79, 23,138.68 and 3,739.01

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Solution

The fourth proportional to 15,425.79, 23,138.68 and 3,739.01 is: 5,608.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,425.79 : 23,138.68 = 3,739.01 : x
  2. Step 2: Convert to fraction form
    15,425.79/23,138.68 = 3,739.01/x
  3. Step 3: Cross multiply
    15,425.79x = 23,138.68 × 3,739.01
  4. Step 4: Simplify right side
    15,425.79x = 86,515,640.21
  5. Step 5: Solve for x
    x = 86,515,640.21/15,425.79
  6. Step 6: Final answer
    x = 5,608.51

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1.5x scale

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.