Home / 28,181.69-42,262.70-9,457.73

Finding the Fourth Proportional to 28,181.69, 42,262.70 and 9,457.73

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Solution

The fourth proportional to 28,181.69, 42,262.70 and 9,457.73 is: 14,183.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,181.69 : 42,262.70 = 9,457.73 : x
  2. Step 2: Convert to fraction form
    28,181.69/42,262.70 = 9,457.73/x
  3. Step 3: Cross multiply
    28,181.69x = 42,262.70 × 9,457.73
  4. Step 4: Simplify right side
    28,181.69x = 399,708,947.07
  5. Step 5: Solve for x
    x = 399,708,947.07/28,181.69
  6. Step 6: Final answer
    x = 14,183.29

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1.5x scale

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.