Home / 20,004.17-30,015.97-15,630.17

Finding the Fourth Proportional to 20,004.17, 30,015.97 and 15,630.17

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Solution

The fourth proportional to 20,004.17, 30,015.97 and 15,630.17 is: 23,452.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,004.17 : 30,015.97 = 15,630.17 : x
  2. Step 2: Convert to fraction form
    20,004.17/30,015.97 = 15,630.17/x
  3. Step 3: Cross multiply
    20,004.17x = 30,015.97 × 15,630.17
  4. Step 4: Simplify right side
    20,004.17x = 469,154,524.66
  5. Step 5: Solve for x
    x = 469,154,524.66/20,004.17
  6. Step 6: Final answer
    x = 23,452.84

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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.