Home / 26,996.40-40,467.72-12,930.48

Finding the Fourth Proportional to 26,996.40, 40,467.72 and 12,930.48

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Solution

The fourth proportional to 26,996.40, 40,467.72 and 12,930.48 is: 19,382.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,996.40 : 40,467.72 = 12,930.48 : x
  2. Step 2: Convert to fraction form
    26,996.40/40,467.72 = 12,930.48/x
  3. Step 3: Cross multiply
    26,996.40x = 40,467.72 × 12,930.48
  4. Step 4: Simplify right side
    26,996.40x = 523,267,044.11
  5. Step 5: Solve for x
    x = 523,267,044.11/26,996.40
  6. Step 6: Final answer
    x = 19,382.85

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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.