Home / 28,951.58-43,441.21-16,311.40

Finding the Fourth Proportional to 28,951.58, 43,441.21 and 16,311.40

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Solution

The fourth proportional to 28,951.58, 43,441.21 and 16,311.40 is: 24,474.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,951.58 : 43,441.21 = 16,311.40 : x
  2. Step 2: Convert to fraction form
    28,951.58/43,441.21 = 16,311.40/x
  3. Step 3: Cross multiply
    28,951.58x = 43,441.21 × 16,311.40
  4. Step 4: Simplify right side
    28,951.58x = 708,586,986.76
  5. Step 5: Solve for x
    x = 708,586,986.76/28,951.58
  6. Step 6: Final answer
    x = 24,474.90

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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.