Home / 26,769.40-40,138.10-16,388.60

Finding the Fourth Proportional to 26,769.40, 40,138.10 and 16,388.60

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Solution

The fourth proportional to 26,769.40, 40,138.10 and 16,388.60 is: 24,573.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,769.40 : 40,138.10 = 16,388.60 : x
  2. Step 2: Convert to fraction form
    26,769.40/40,138.10 = 16,388.60/x
  3. Step 3: Cross multiply
    26,769.40x = 40,138.10 × 16,388.60
  4. Step 4: Simplify right side
    26,769.40x = 657,807,265.66
  5. Step 5: Solve for x
    x = 657,807,265.66/26,769.40
  6. Step 6: Final answer
    x = 24,573.10

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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.