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Finding the Fourth Proportional to 23,235.72, 34,855.74 and 7,653.48

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Solution

The fourth proportional to 23,235.72, 34,855.74 and 7,653.48 is: 11,480.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,235.72 : 34,855.74 = 7,653.48 : x
  2. Step 2: Convert to fraction form
    23,235.72/34,855.74 = 7,653.48/x
  3. Step 3: Cross multiply
    23,235.72x = 34,855.74 × 7,653.48
  4. Step 4: Simplify right side
    23,235.72x = 266,767,708.98
  5. Step 5: Solve for x
    x = 266,767,708.98/23,235.72
  6. Step 6: Final answer
    x = 11,480.93

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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.