Home / 20,182.05-30,224.88-15,994.35

Finding the Fourth Proportional to 20,182.05, 30,224.88 and 15,994.35

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Solution

The fourth proportional to 20,182.05, 30,224.88 and 15,994.35 is: 23,953.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,182.05 : 30,224.88 = 15,994.35 : x
  2. Step 2: Convert to fraction form
    20,182.05/30,224.88 = 15,994.35/x
  3. Step 3: Cross multiply
    20,182.05x = 30,224.88 × 15,994.35
  4. Step 4: Simplify right side
    20,182.05x = 483,427,309.43
  5. Step 5: Solve for x
    x = 483,427,309.43/20,182.05
  6. Step 6: Final answer
    x = 23,953.33

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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.