Home / 27,285.48-40,928.22-18,049.32

Finding the Fourth Proportional to 27,285.48, 40,928.22 and 18,049.32

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Solution

The fourth proportional to 27,285.48, 40,928.22 and 18,049.32 is: 27,073.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,285.48 : 40,928.22 = 18,049.32 : x
  2. Step 2: Convert to fraction form
    27,285.48/40,928.22 = 18,049.32/x
  3. Step 3: Cross multiply
    27,285.48x = 40,928.22 × 18,049.32
  4. Step 4: Simplify right side
    27,285.48x = 738,726,539.81
  5. Step 5: Solve for x
    x = 738,726,539.81/27,285.48
  6. Step 6: Final answer
    x = 27,073.98

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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.