Home / 20,742.37-28,626.93-13,096.75

Finding the Fourth Proportional to 20,742.37, 28,626.93 and 13,096.75

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Solution

The fourth proportional to 20,742.37, 28,626.93 and 13,096.75 is: 18,075.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,742.37 : 28,626.93 = 13,096.75 : x
  2. Step 2: Convert to fraction form
    20,742.37/28,626.93 = 13,096.75/x
  3. Step 3: Cross multiply
    20,742.37x = 28,626.93 × 13,096.75
  4. Step 4: Simplify right side
    20,742.37x = 374,919,745.48
  5. Step 5: Solve for x
    x = 374,919,745.48/20,742.37
  6. Step 6: Final answer
    x = 18,075.07

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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.