Home / 36,015.10-54,008.07-13,829.20

Finding the Fourth Proportional to 36,015.10, 54,008.07 and 13,829.20

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Solution

The fourth proportional to 36,015.10, 54,008.07 and 13,829.20 is: 20,738.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,015.10 : 54,008.07 = 13,829.20 : x
  2. Step 2: Convert to fraction form
    36,015.10/54,008.07 = 13,829.20/x
  3. Step 3: Cross multiply
    36,015.10x = 54,008.07 × 13,829.20
  4. Step 4: Simplify right side
    36,015.10x = 746,888,401.64
  5. Step 5: Solve for x
    x = 746,888,401.64/36,015.10
  6. Step 6: Final answer
    x = 20,738.20

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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.