Home / 28,872.84-43,311.50-9,152.52

Finding the Fourth Proportional to 28,872.84, 43,311.50 and 9,152.52

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Solution

The fourth proportional to 28,872.84, 43,311.50 and 9,152.52 is: 13,729.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,872.84 : 43,311.50 = 9,152.52 : x
  2. Step 2: Convert to fraction form
    28,872.84/43,311.50 = 9,152.52/x
  3. Step 3: Cross multiply
    28,872.84x = 43,311.50 × 9,152.52
  4. Step 4: Simplify right side
    28,872.84x = 396,409,369.98
  5. Step 5: Solve for x
    x = 396,409,369.98/28,872.84
  6. Step 6: Final answer
    x = 13,729.49

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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.