Home / 27,771.03-38,313.18-17,697.60

Finding the Fourth Proportional to 27,771.03, 38,313.18 and 17,697.60

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Solution

The fourth proportional to 27,771.03, 38,313.18 and 17,697.60 is: 24,415.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,771.03 : 38,313.18 = 17,697.60 : x
  2. Step 2: Convert to fraction form
    27,771.03/38,313.18 = 17,697.60/x
  3. Step 3: Cross multiply
    27,771.03x = 38,313.18 × 17,697.60
  4. Step 4: Simplify right side
    27,771.03x = 678,051,334.37
  5. Step 5: Solve for x
    x = 678,051,334.37/27,771.03
  6. Step 6: Final answer
    x = 24,415.78

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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.