Home / 21,372.03-32,069.52-8,900.67

Finding the Fourth Proportional to 21,372.03, 32,069.52 and 8,900.67

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Solution

The fourth proportional to 21,372.03, 32,069.52 and 8,900.67 is: 13,355.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,372.03 : 32,069.52 = 8,900.67 : x
  2. Step 2: Convert to fraction form
    21,372.03/32,069.52 = 8,900.67/x
  3. Step 3: Cross multiply
    21,372.03x = 32,069.52 × 8,900.67
  4. Step 4: Simplify right side
    21,372.03x = 285,440,214.58
  5. Step 5: Solve for x
    x = 285,440,214.58/21,372.03
  6. Step 6: Final answer
    x = 13,355.78

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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.