Home / 28,792.67-39,743.82-16,859.84

Finding the Fourth Proportional to 28,792.67, 39,743.82 and 16,859.84

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Solution

The fourth proportional to 28,792.67, 39,743.82 and 16,859.84 is: 23,272.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,792.67 : 39,743.82 = 16,859.84 : x
  2. Step 2: Convert to fraction form
    28,792.67/39,743.82 = 16,859.84/x
  3. Step 3: Cross multiply
    28,792.67x = 39,743.82 × 16,859.84
  4. Step 4: Simplify right side
    28,792.67x = 670,074,247.47
  5. Step 5: Solve for x
    x = 670,074,247.47/28,792.67
  6. Step 6: Final answer
    x = 23,272.39

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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.