Home / 21,739.20-32,633.10-16,830.60

Finding the Fourth Proportional to 21,739.20, 32,633.10 and 16,830.60

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Solution

The fourth proportional to 21,739.20, 32,633.10 and 16,830.60 is: 25,264.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,739.20 : 32,633.10 = 16,830.60 : x
  2. Step 2: Convert to fraction form
    21,739.20/32,633.10 = 16,830.60/x
  3. Step 3: Cross multiply
    21,739.20x = 32,633.10 × 16,830.60
  4. Step 4: Simplify right side
    21,739.20x = 549,234,652.86
  5. Step 5: Solve for x
    x = 549,234,652.86/21,739.20
  6. Step 6: Final answer
    x = 25,264.71

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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.