Home / 26,829.20-40,243.80-16,331.60

Finding the Fourth Proportional to 26,829.20, 40,243.80 and 16,331.60

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Solution

The fourth proportional to 26,829.20, 40,243.80 and 16,331.60 is: 24,497.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,829.20 : 40,243.80 = 16,331.60 : x
  2. Step 2: Convert to fraction form
    26,829.20/40,243.80 = 16,331.60/x
  3. Step 3: Cross multiply
    26,829.20x = 40,243.80 × 16,331.60
  4. Step 4: Simplify right side
    26,829.20x = 657,245,644.08
  5. Step 5: Solve for x
    x = 657,245,644.08/26,829.20
  6. Step 6: Final answer
    x = 24,497.40

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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.