Home / 28,246.42-42,375.09-10,728.55

Finding the Fourth Proportional to 28,246.42, 42,375.09 and 10,728.55

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Solution

The fourth proportional to 28,246.42, 42,375.09 and 10,728.55 is: 16,094.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,246.42 : 42,375.09 = 10,728.55 : x
  2. Step 2: Convert to fraction form
    28,246.42/42,375.09 = 10,728.55/x
  3. Step 3: Cross multiply
    28,246.42x = 42,375.09 × 10,728.55
  4. Step 4: Simplify right side
    28,246.42x = 454,623,059.94
  5. Step 5: Solve for x
    x = 454,623,059.94/28,246.42
  6. Step 6: Final answer
    x = 16,094.89

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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.