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Finding the Fourth Proportional to 23,077.93, 34,619.48 and 7,285.21

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Solution

The fourth proportional to 23,077.93, 34,619.48 and 7,285.21 is: 10,928.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,077.93 : 34,619.48 = 7,285.21 : x
  2. Step 2: Convert to fraction form
    23,077.93/34,619.48 = 7,285.21/x
  3. Step 3: Cross multiply
    23,077.93x = 34,619.48 × 7,285.21
  4. Step 4: Simplify right side
    23,077.93x = 252,210,181.89
  5. Step 5: Solve for x
    x = 252,210,181.89/23,077.93
  6. Step 6: Final answer
    x = 10,928.63

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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.