Home / 28,524.78-42,771.38-11,669.62

Finding the Fourth Proportional to 28,524.78, 42,771.38 and 11,669.62

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Solution

The fourth proportional to 28,524.78, 42,771.38 and 11,669.62 is: 17,497.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,524.78 : 42,771.38 = 11,669.62 : x
  2. Step 2: Convert to fraction form
    28,524.78/42,771.38 = 11,669.62/x
  3. Step 3: Cross multiply
    28,524.78x = 42,771.38 × 11,669.62
  4. Step 4: Simplify right side
    28,524.78x = 499,125,751.48
  5. Step 5: Solve for x
    x = 499,125,751.48/28,524.78
  6. Step 6: Final answer
    x = 17,497.97

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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.