Home / 20,316.88-28,072.62-16,773.88

Finding the Fourth Proportional to 20,316.88, 28,072.62 and 16,773.88

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Solution

The fourth proportional to 20,316.88, 28,072.62 and 16,773.88 is: 23,177.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,316.88 : 28,072.62 = 16,773.88 : x
  2. Step 2: Convert to fraction form
    20,316.88/28,072.62 = 16,773.88/x
  3. Step 3: Cross multiply
    20,316.88x = 28,072.62 × 16,773.88
  4. Step 4: Simplify right side
    20,316.88x = 470,886,759.17
  5. Step 5: Solve for x
    x = 470,886,759.17/20,316.88
  6. Step 6: Final answer
    x = 23,177.12

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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.