Home / 28,183.93-42,266.07-9,459.97

Finding the Fourth Proportional to 28,183.93, 42,266.07 and 9,459.97

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Solution

The fourth proportional to 28,183.93, 42,266.07 and 9,459.97 is: 14,186.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,183.93 : 42,266.07 = 9,459.97 : x
  2. Step 2: Convert to fraction form
    28,183.93/42,266.07 = 9,459.97/x
  3. Step 3: Cross multiply
    28,183.93x = 42,266.07 × 9,459.97
  4. Step 4: Simplify right side
    28,183.93x = 399,835,648.55
  5. Step 5: Solve for x
    x = 399,835,648.55/28,183.93
  6. Step 6: Final answer
    x = 14,186.65

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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.