Home / 28,933.68-39,956.94-20,004.24

Finding the Fourth Proportional to 28,933.68, 39,956.94 and 20,004.24

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Solution

The fourth proportional to 28,933.68, 39,956.94 and 20,004.24 is: 27,625.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,933.68 : 39,956.94 = 20,004.24 : x
  2. Step 2: Convert to fraction form
    28,933.68/39,956.94 = 20,004.24/x
  3. Step 3: Cross multiply
    28,933.68x = 39,956.94 × 20,004.24
  4. Step 4: Simplify right side
    28,933.68x = 799,308,217.43
  5. Step 5: Solve for x
    x = 799,308,217.43/28,933.68
  6. Step 6: Final answer
    x = 27,625.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.