Home / 26,435.56-39,647.58-8,905

Finding the Fourth Proportional to 26,435.56, 39,647.58 and 8,905

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Solution

The fourth proportional to 26,435.56, 39,647.58 and 8,905 is: 13,355.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,435.56 : 39,647.58 = 8,905 : x
  2. Step 2: Convert to fraction form
    26,435.56/39,647.58 = 8,905/x
  3. Step 3: Cross multiply
    26,435.56x = 39,647.58 × 8,905
  4. Step 4: Simplify right side
    26,435.56x = 353,061,699.90
  5. Step 5: Solve for x
    x = 353,061,699.90/26,435.56
  6. Step 6: Final answer
    x = 13,355.56

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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.