Home / 26,782.80-40,139.20-14,936.10

Finding the Fourth Proportional to 26,782.80, 40,139.20 and 14,936.10

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Solution

The fourth proportional to 26,782.80, 40,139.20 and 14,936.10 is: 22,384.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,782.80 : 40,139.20 = 14,936.10 : x
  2. Step 2: Convert to fraction form
    26,782.80/40,139.20 = 14,936.10/x
  3. Step 3: Cross multiply
    26,782.80x = 40,139.20 × 14,936.10
  4. Step 4: Simplify right side
    26,782.80x = 599,523,105.12
  5. Step 5: Solve for x
    x = 599,523,105.12/26,782.80
  6. Step 6: Final answer
    x = 22,384.63

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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.