Home / 17,765.44-26,647.61-5,285.50

Finding the Fourth Proportional to 17,765.44, 26,647.61 and 5,285.50

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Solution

The fourth proportional to 17,765.44, 26,647.61 and 5,285.50 is: 7,928.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,765.44 : 26,647.61 = 5,285.50 : x
  2. Step 2: Convert to fraction form
    17,765.44/26,647.61 = 5,285.50/x
  3. Step 3: Cross multiply
    17,765.44x = 26,647.61 × 5,285.50
  4. Step 4: Simplify right side
    17,765.44x = 140,845,849.61
  5. Step 5: Solve for x
    x = 140,845,849.61/17,765.44
  6. Step 6: Final answer
    x = 7,928.08

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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.