Home / 28,477.62-39,296.43-16,540.65

Finding the Fourth Proportional to 28,477.62, 39,296.43 and 16,540.65

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Solution

The fourth proportional to 28,477.62, 39,296.43 and 16,540.65 is: 22,824.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,477.62 : 39,296.43 = 16,540.65 : x
  2. Step 2: Convert to fraction form
    28,477.62/39,296.43 = 16,540.65/x
  3. Step 3: Cross multiply
    28,477.62x = 39,296.43 × 16,540.65
  4. Step 4: Simplify right side
    28,477.62x = 649,988,494.88
  5. Step 5: Solve for x
    x = 649,988,494.88/28,477.62
  6. Step 6: Final answer
    x = 22,824.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.