Home / 26,645.54-39,984.15-11,855.30

Finding the Fourth Proportional to 26,645.54, 39,984.15 and 11,855.30

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Solution

The fourth proportional to 26,645.54, 39,984.15 and 11,855.30 is: 17,790.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,645.54 : 39,984.15 = 11,855.30 : x
  2. Step 2: Convert to fraction form
    26,645.54/39,984.15 = 11,855.30/x
  3. Step 3: Cross multiply
    26,645.54x = 39,984.15 × 11,855.30
  4. Step 4: Simplify right side
    26,645.54x = 474,024,093.50
  5. Step 5: Solve for x
    x = 474,024,093.50/26,645.54
  6. Step 6: Final answer
    x = 17,790.00

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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.