Home / 28,072.28-38,743.44-19,568.90

Finding the Fourth Proportional to 28,072.28, 38,743.44 and 19,568.90

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Solution

The fourth proportional to 28,072.28, 38,743.44 and 19,568.90 is: 27,007.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,072.28 : 38,743.44 = 19,568.90 : x
  2. Step 2: Convert to fraction form
    28,072.28/38,743.44 = 19,568.90/x
  3. Step 3: Cross multiply
    28,072.28x = 38,743.44 × 19,568.90
  4. Step 4: Simplify right side
    28,072.28x = 758,166,503.02
  5. Step 5: Solve for x
    x = 758,166,503.02/28,072.28
  6. Step 6: Final answer
    x = 27,007.66

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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.