Home / 23,419.21-35,120.88-7,620.34

Finding the Fourth Proportional to 23,419.21, 35,120.88 and 7,620.34

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Solution

The fourth proportional to 23,419.21, 35,120.88 and 7,620.34 is: 11,427.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,419.21 : 35,120.88 = 7,620.34 : x
  2. Step 2: Convert to fraction form
    23,419.21/35,120.88 = 7,620.34/x
  3. Step 3: Cross multiply
    23,419.21x = 35,120.88 × 7,620.34
  4. Step 4: Simplify right side
    23,419.21x = 267,633,046.70
  5. Step 5: Solve for x
    x = 267,633,046.70/23,419.21
  6. Step 6: Final answer
    x = 11,427.93

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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.