Home / 27,420.80-37,847.88-16,091.96

Finding the Fourth Proportional to 27,420.80, 37,847.88 and 16,091.96

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Solution

The fourth proportional to 27,420.80, 37,847.88 and 16,091.96 is: 22,211.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,420.80 : 37,847.88 = 16,091.96 : x
  2. Step 2: Convert to fraction form
    27,420.80/37,847.88 = 16,091.96/x
  3. Step 3: Cross multiply
    27,420.80x = 37,847.88 × 16,091.96
  4. Step 4: Simplify right side
    27,420.80x = 609,046,571.04
  5. Step 5: Solve for x
    x = 609,046,571.04/27,420.80
  6. Step 6: Final answer
    x = 22,211.12

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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.