Home / 23,221.61-32,059.11-15,286.90

Finding the Fourth Proportional to 23,221.61, 32,059.11 and 15,286.90

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Solution

The fourth proportional to 23,221.61, 32,059.11 and 15,286.90 is: 21,104.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,221.61 : 32,059.11 = 15,286.90 : x
  2. Step 2: Convert to fraction form
    23,221.61/32,059.11 = 15,286.90/x
  3. Step 3: Cross multiply
    23,221.61x = 32,059.11 × 15,286.90
  4. Step 4: Simplify right side
    23,221.61x = 490,084,408.66
  5. Step 5: Solve for x
    x = 490,084,408.66/23,221.61
  6. Step 6: Final answer
    x = 21,104.67

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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.