Home / 20,847.20-31,277.20-16,466.40

Finding the Fourth Proportional to 20,847.20, 31,277.20 and 16,466.40

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Solution

The fourth proportional to 20,847.20, 31,277.20 and 16,466.40 is: 24,704.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,847.20 : 31,277.20 = 16,466.40 : x
  2. Step 2: Convert to fraction form
    20,847.20/31,277.20 = 16,466.40/x
  3. Step 3: Cross multiply
    20,847.20x = 31,277.20 × 16,466.40
  4. Step 4: Simplify right side
    20,847.20x = 515,022,886.08
  5. Step 5: Solve for x
    x = 515,022,886.08/20,847.20
  6. Step 6: Final answer
    x = 24,704.66

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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.