Home / 27,693.73-38,211.18-16,355.49

Finding the Fourth Proportional to 27,693.73, 38,211.18 and 16,355.49

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Solution

The fourth proportional to 27,693.73, 38,211.18 and 16,355.49 is: 22,566.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,693.73 : 38,211.18 = 16,355.49 : x
  2. Step 2: Convert to fraction form
    27,693.73/38,211.18 = 16,355.49/x
  3. Step 3: Cross multiply
    27,693.73x = 38,211.18 × 16,355.49
  4. Step 4: Simplify right side
    27,693.73x = 624,962,367.75
  5. Step 5: Solve for x
    x = 624,962,367.75/27,693.73
  6. Step 6: Final answer
    x = 22,566.93

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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.