Home / 21,552.89-32,316.44-8,389.85

Finding the Fourth Proportional to 21,552.89, 32,316.44 and 8,389.85

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Solution

The fourth proportional to 21,552.89, 32,316.44 and 8,389.85 is: 12,579.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,552.89 : 32,316.44 = 8,389.85 : x
  2. Step 2: Convert to fraction form
    21,552.89/32,316.44 = 8,389.85/x
  3. Step 3: Cross multiply
    21,552.89x = 32,316.44 × 8,389.85
  4. Step 4: Simplify right side
    21,552.89x = 271,129,880.60
  5. Step 5: Solve for x
    x = 271,129,880.60/21,552.89
  6. Step 6: Final answer
    x = 12,579.75

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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.