Home / 28,704.30-43,038.84-11,153.64

Finding the Fourth Proportional to 28,704.30, 43,038.84 and 11,153.64

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Solution

The fourth proportional to 28,704.30, 43,038.84 and 11,153.64 is: 16,723.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,704.30 : 43,038.84 = 11,153.64 : x
  2. Step 2: Convert to fraction form
    28,704.30/43,038.84 = 11,153.64/x
  3. Step 3: Cross multiply
    28,704.30x = 43,038.84 × 11,153.64
  4. Step 4: Simplify right side
    28,704.30x = 480,039,727.38
  5. Step 5: Solve for x
    x = 480,039,727.38/28,704.30
  6. Step 6: Final answer
    x = 16,723.62

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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.