Home / 18,893.20-28,272.60-16,454.80

Finding the Fourth Proportional to 18,893.20, 28,272.60 and 16,454.80

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Solution

The fourth proportional to 18,893.20, 28,272.60 and 16,454.80 is: 24,623.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,893.20 : 28,272.60 = 16,454.80 : x
  2. Step 2: Convert to fraction form
    18,893.20/28,272.60 = 16,454.80/x
  3. Step 3: Cross multiply
    18,893.20x = 28,272.60 × 16,454.80
  4. Step 4: Simplify right side
    18,893.20x = 465,219,978.48
  5. Step 5: Solve for x
    x = 465,219,978.48/18,893.20
  6. Step 6: Final answer
    x = 24,623.67

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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.