Home / 28,778.78-43,170.29-10,056.65

Finding the Fourth Proportional to 28,778.78, 43,170.29 and 10,056.65

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Solution

The fourth proportional to 28,778.78, 43,170.29 and 10,056.65 is: 15,085.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,778.78 : 43,170.29 = 10,056.65 : x
  2. Step 2: Convert to fraction form
    28,778.78/43,170.29 = 10,056.65/x
  3. Step 3: Cross multiply
    28,778.78x = 43,170.29 × 10,056.65
  4. Step 4: Simplify right side
    28,778.78x = 434,148,230.79
  5. Step 5: Solve for x
    x = 434,148,230.79/28,778.78
  6. Step 6: Final answer
    x = 15,085.71

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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.