Home / 28,942.86-39,934.71-17,618.25

Finding the Fourth Proportional to 28,942.86, 39,934.71 and 17,618.25

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Solution

The fourth proportional to 28,942.86, 39,934.71 and 17,618.25 is: 24,309.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,942.86 : 39,934.71 = 17,618.25 : x
  2. Step 2: Convert to fraction form
    28,942.86/39,934.71 = 17,618.25/x
  3. Step 3: Cross multiply
    28,942.86x = 39,934.71 × 17,618.25
  4. Step 4: Simplify right side
    28,942.86x = 703,579,704.46
  5. Step 5: Solve for x
    x = 703,579,704.46/28,942.86
  6. Step 6: Final answer
    x = 24,309.27

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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.