Home / 28,771.65-43,148.97-12,967.56

Finding the Fourth Proportional to 28,771.65, 43,148.97 and 12,967.56

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Solution

The fourth proportional to 28,771.65, 43,148.97 and 12,967.56 is: 19,447.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,771.65 : 43,148.97 = 12,967.56 : x
  2. Step 2: Convert to fraction form
    28,771.65/43,148.97 = 12,967.56/x
  3. Step 3: Cross multiply
    28,771.65x = 43,148.97 × 12,967.56
  4. Step 4: Simplify right side
    28,771.65x = 559,536,857.41
  5. Step 5: Solve for x
    x = 559,536,857.41/28,771.65
  6. Step 6: Final answer
    x = 19,447.51

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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.