Home / 28,859.04-43,286.40-8,084.16

Finding the Fourth Proportional to 28,859.04, 43,286.40 and 8,084.16

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Solution

The fourth proportional to 28,859.04, 43,286.40 and 8,084.16 is: 12,125.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,859.04 : 43,286.40 = 8,084.16 : x
  2. Step 2: Convert to fraction form
    28,859.04/43,286.40 = 8,084.16/x
  3. Step 3: Cross multiply
    28,859.04x = 43,286.40 × 8,084.16
  4. Step 4: Simplify right side
    28,859.04x = 349,934,183.42
  5. Step 5: Solve for x
    x = 349,934,183.42/28,859.04
  6. Step 6: Final answer
    x = 12,125.63

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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.