Home / 23,231.16-34,835.80-8,429.72

Finding the Fourth Proportional to 23,231.16, 34,835.80 and 8,429.72

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Solution

The fourth proportional to 23,231.16, 34,835.80 and 8,429.72 is: 12,640.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,231.16 : 34,835.80 = 8,429.72 : x
  2. Step 2: Convert to fraction form
    23,231.16/34,835.80 = 8,429.72/x
  3. Step 3: Cross multiply
    23,231.16x = 34,835.80 × 8,429.72
  4. Step 4: Simplify right side
    23,231.16x = 293,656,039.98
  5. Step 5: Solve for x
    x = 293,656,039.98/23,231.16
  6. Step 6: Final answer
    x = 12,640.61

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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.