Home / 21,621.62-32,432.43-16,698.44

Finding the Fourth Proportional to 21,621.62, 32,432.43 and 16,698.44

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Solution

The fourth proportional to 21,621.62, 32,432.43 and 16,698.44 is: 25,047.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,621.62 : 32,432.43 = 16,698.44 : x
  2. Step 2: Convert to fraction form
    21,621.62/32,432.43 = 16,698.44/x
  3. Step 3: Cross multiply
    21,621.62x = 32,432.43 × 16,698.44
  4. Step 4: Simplify right side
    21,621.62x = 541,570,986.41
  5. Step 5: Solve for x
    x = 541,570,986.41/21,621.62
  6. Step 6: Final answer
    x = 25,047.66

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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.