Home / 28,194.88-42,194.43-17,516.86

Finding the Fourth Proportional to 28,194.88, 42,194.43 and 17,516.86

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Solution

The fourth proportional to 28,194.88, 42,194.43 and 17,516.86 is: 26,214.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,194.88 : 42,194.43 = 17,516.86 : x
  2. Step 2: Convert to fraction form
    28,194.88/42,194.43 = 17,516.86/x
  3. Step 3: Cross multiply
    28,194.88x = 42,194.43 × 17,516.86
  4. Step 4: Simplify right side
    28,194.88x = 739,113,923.09
  5. Step 5: Solve for x
    x = 739,113,923.09/28,194.88
  6. Step 6: Final answer
    x = 26,214.47

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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.