Home / 21,737.20-32,630.10-16,828.60

Finding the Fourth Proportional to 21,737.20, 32,630.10 and 16,828.60

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Solution

The fourth proportional to 21,737.20, 32,630.10 and 16,828.60 is: 25,261.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,737.20 : 32,630.10 = 16,828.60 : x
  2. Step 2: Convert to fraction form
    21,737.20/32,630.10 = 16,828.60/x
  3. Step 3: Cross multiply
    21,737.20x = 32,630.10 × 16,828.60
  4. Step 4: Simplify right side
    21,737.20x = 549,118,900.86
  5. Step 5: Solve for x
    x = 549,118,900.86/21,737.20
  6. Step 6: Final answer
    x = 25,261.71

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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.