Home / 27,287.94-40,890.18-18,370.24

Finding the Fourth Proportional to 27,287.94, 40,890.18 and 18,370.24

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Solution

The fourth proportional to 27,287.94, 40,890.18 and 18,370.24 is: 27,527.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,287.94 : 40,890.18 = 18,370.24 : x
  2. Step 2: Convert to fraction form
    27,287.94/40,890.18 = 18,370.24/x
  3. Step 3: Cross multiply
    27,287.94x = 40,890.18 × 18,370.24
  4. Step 4: Simplify right side
    27,287.94x = 751,162,420.24
  5. Step 5: Solve for x
    x = 751,162,420.24/27,287.94
  6. Step 6: Final answer
    x = 27,527.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.