Home / 26,601.79-39,899.43-6,878.70

Finding the Fourth Proportional to 26,601.79, 39,899.43 and 6,878.70

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Solution

The fourth proportional to 26,601.79, 39,899.43 and 6,878.70 is: 10,317.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,601.79 : 39,899.43 = 6,878.70 : x
  2. Step 2: Convert to fraction form
    26,601.79/39,899.43 = 6,878.70/x
  3. Step 3: Cross multiply
    26,601.79x = 39,899.43 × 6,878.70
  4. Step 4: Simplify right side
    26,601.79x = 274,456,209.14
  5. Step 5: Solve for x
    x = 274,456,209.14/26,601.79
  6. Step 6: Final answer
    x = 10,317.21

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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.