Home / 68,518.84-102,836.58-26,995

Finding the Fourth Proportional to 68,518.84, 102,836.58 and 26,995

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Solution

The fourth proportional to 68,518.84, 102,836.58 and 26,995 is: 40,515.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,518.84 : 102,836.58 = 26,995 : x
  2. Step 2: Convert to fraction form
    68,518.84/102,836.58 = 26,995/x
  3. Step 3: Cross multiply
    68,518.84x = 102,836.58 × 26,995
  4. Step 4: Simplify right side
    68,518.84x = 2,776,073,477.10
  5. Step 5: Solve for x
    x = 2,776,073,477.10/68,518.84
  6. Step 6: Final answer
    x = 40,515.48

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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.