Home / 27,015.21-40,518.63-10,383.03

Finding the Fourth Proportional to 27,015.21, 40,518.63 and 10,383.03

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Solution

The fourth proportional to 27,015.21, 40,518.63 and 10,383.03 is: 15,572.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,015.21 : 40,518.63 = 10,383.03 : x
  2. Step 2: Convert to fraction form
    27,015.21/40,518.63 = 10,383.03/x
  3. Step 3: Cross multiply
    27,015.21x = 40,518.63 × 10,383.03
  4. Step 4: Simplify right side
    27,015.21x = 420,706,150.85
  5. Step 5: Solve for x
    x = 420,706,150.85/27,015.21
  6. Step 6: Final answer
    x = 15,572.94

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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.