Home / 26,003.20-39,004.80-16,172.80

Finding the Fourth Proportional to 26,003.20, 39,004.80 and 16,172.80

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Solution

The fourth proportional to 26,003.20, 39,004.80 and 16,172.80 is: 24,259.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,003.20 : 39,004.80 = 16,172.80 : x
  2. Step 2: Convert to fraction form
    26,003.20/39,004.80 = 16,172.80/x
  3. Step 3: Cross multiply
    26,003.20x = 39,004.80 × 16,172.80
  4. Step 4: Simplify right side
    26,003.20x = 630,816,829.44
  5. Step 5: Solve for x
    x = 630,816,829.44/26,003.20
  6. Step 6: Final answer
    x = 24,259.20

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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.