Home / 28,892.09-39,872.25-16,792.52

Finding the Fourth Proportional to 28,892.09, 39,872.25 and 16,792.52

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Solution

The fourth proportional to 28,892.09, 39,872.25 and 16,792.52 is: 23,174.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,892.09 : 39,872.25 = 16,792.52 : x
  2. Step 2: Convert to fraction form
    28,892.09/39,872.25 = 16,792.52/x
  3. Step 3: Cross multiply
    28,892.09x = 39,872.25 × 16,792.52
  4. Step 4: Simplify right side
    28,892.09x = 669,555,356.21
  5. Step 5: Solve for x
    x = 669,555,356.21/28,892.09
  6. Step 6: Final answer
    x = 23,174.35

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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.