Home / 21,975.75-32,967.77-8,829.14

Finding the Fourth Proportional to 21,975.75, 32,967.77 and 8,829.14

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Solution

The fourth proportional to 21,975.75, 32,967.77 and 8,829.14 is: 13,245.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,975.75 : 32,967.77 = 8,829.14 : x
  2. Step 2: Convert to fraction form
    21,975.75/32,967.77 = 8,829.14/x
  3. Step 3: Cross multiply
    21,975.75x = 32,967.77 × 8,829.14
  4. Step 4: Simplify right side
    21,975.75x = 291,076,847.83
  5. Step 5: Solve for x
    x = 291,076,847.83/21,975.75
  6. Step 6: Final answer
    x = 13,245.37

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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.