Home / 18,240.39-27,401.90-15,749.24

Finding the Fourth Proportional to 18,240.39, 27,401.90 and 15,749.24

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Solution

The fourth proportional to 18,240.39, 27,401.90 and 15,749.24 is: 23,659.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,240.39 : 27,401.90 = 15,749.24 : x
  2. Step 2: Convert to fraction form
    18,240.39/27,401.90 = 15,749.24/x
  3. Step 3: Cross multiply
    18,240.39x = 27,401.90 × 15,749.24
  4. Step 4: Simplify right side
    18,240.39x = 431,558,883.80
  5. Step 5: Solve for x
    x = 431,558,883.80/18,240.39
  6. Step 6: Final answer
    x = 23,659.52

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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.