Home / 20,942.94-28,874.31-17,152.14

Finding the Fourth Proportional to 20,942.94, 28,874.31 and 17,152.14

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Solution

The fourth proportional to 20,942.94, 28,874.31 and 17,152.14 is: 23,647.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,942.94 : 28,874.31 = 17,152.14 : x
  2. Step 2: Convert to fraction form
    20,942.94/28,874.31 = 17,152.14/x
  3. Step 3: Cross multiply
    20,942.94x = 28,874.31 × 17,152.14
  4. Step 4: Simplify right side
    20,942.94x = 495,256,207.52
  5. Step 5: Solve for x
    x = 495,256,207.52/20,942.94
  6. Step 6: Final answer
    x = 23,647.88

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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.