Home / 26,480.08-39,720.08-6,758.64

Finding the Fourth Proportional to 26,480.08, 39,720.08 and 6,758.64

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Solution

The fourth proportional to 26,480.08, 39,720.08 and 6,758.64 is: 10,137.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,480.08 : 39,720.08 = 6,758.64 : x
  2. Step 2: Convert to fraction form
    26,480.08/39,720.08 = 6,758.64/x
  3. Step 3: Cross multiply
    26,480.08x = 39,720.08 × 6,758.64
  4. Step 4: Simplify right side
    26,480.08x = 268,453,721.49
  5. Step 5: Solve for x
    x = 268,453,721.49/26,480.08
  6. Step 6: Final answer
    x = 10,137.95

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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.