Home / 26,728.46-40,100.27-13,385.36

Finding the Fourth Proportional to 26,728.46, 40,100.27 and 13,385.36

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Solution

The fourth proportional to 26,728.46, 40,100.27 and 13,385.36 is: 20,081.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,728.46 : 40,100.27 = 13,385.36 : x
  2. Step 2: Convert to fraction form
    26,728.46/40,100.27 = 13,385.36/x
  3. Step 3: Cross multiply
    26,728.46x = 40,100.27 × 13,385.36
  4. Step 4: Simplify right side
    26,728.46x = 536,756,282.62
  5. Step 5: Solve for x
    x = 536,756,282.62/26,728.46
  6. Step 6: Final answer
    x = 20,081.82

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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.