Home / 27,520.75-37,981.88-16,342.75

Finding the Fourth Proportional to 27,520.75, 37,981.88 and 16,342.75

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Solution

The fourth proportional to 27,520.75, 37,981.88 and 16,342.75 is: 22,554.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,520.75 : 37,981.88 = 16,342.75 : x
  2. Step 2: Convert to fraction form
    27,520.75/37,981.88 = 16,342.75/x
  3. Step 3: Cross multiply
    27,520.75x = 37,981.88 × 16,342.75
  4. Step 4: Simplify right side
    27,520.75x = 620,728,369.37
  5. Step 5: Solve for x
    x = 620,728,369.37/27,520.75
  6. Step 6: Final answer
    x = 22,554.92

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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.