Home / 26,137.32-39,210-8,603.04

Finding the Fourth Proportional to 26,137.32, 39,210 and 8,603.04

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Solution

The fourth proportional to 26,137.32, 39,210 and 8,603.04 is: 12,905.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,137.32 : 39,210 = 8,603.04 : x
  2. Step 2: Convert to fraction form
    26,137.32/39,210 = 8,603.04/x
  3. Step 3: Cross multiply
    26,137.32x = 39,210 × 8,603.04
  4. Step 4: Simplify right side
    26,137.32x = 337,325,198.40
  5. Step 5: Solve for x
    x = 337,325,198.40/26,137.32
  6. Step 6: Final answer
    x = 12,905.88

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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.