Home / 20,975.44-28,922.40-16,184.56

Finding the Fourth Proportional to 20,975.44, 28,922.40 and 16,184.56

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Solution

The fourth proportional to 20,975.44, 28,922.40 and 16,184.56 is: 22,316.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,975.44 : 28,922.40 = 16,184.56 : x
  2. Step 2: Convert to fraction form
    20,975.44/28,922.40 = 16,184.56/x
  3. Step 3: Cross multiply
    20,975.44x = 28,922.40 × 16,184.56
  4. Step 4: Simplify right side
    20,975.44x = 468,096,318.14
  5. Step 5: Solve for x
    x = 468,096,318.14/20,975.44
  6. Step 6: Final answer
    x = 22,316.40

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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.