Home / 21,450.02-32,175.03-5,867.78

Finding the Fourth Proportional to 21,450.02, 32,175.03 and 5,867.78

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Solution

The fourth proportional to 21,450.02, 32,175.03 and 5,867.78 is: 8,801.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,450.02 : 32,175.03 = 5,867.78 : x
  2. Step 2: Convert to fraction form
    21,450.02/32,175.03 = 5,867.78/x
  3. Step 3: Cross multiply
    21,450.02x = 32,175.03 × 5,867.78
  4. Step 4: Simplify right side
    21,450.02x = 188,795,997.53
  5. Step 5: Solve for x
    x = 188,795,997.53/21,450.02
  6. Step 6: Final answer
    x = 8,801.67

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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.