Home / 28,835.78-39,794.74-16,260.26

Finding the Fourth Proportional to 28,835.78, 39,794.74 and 16,260.26

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Solution

The fourth proportional to 28,835.78, 39,794.74 and 16,260.26 is: 22,439.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,835.78 : 39,794.74 = 16,260.26 : x
  2. Step 2: Convert to fraction form
    28,835.78/39,794.74 = 16,260.26/x
  3. Step 3: Cross multiply
    28,835.78x = 39,794.74 × 16,260.26
  4. Step 4: Simplify right side
    28,835.78x = 647,072,819.03
  5. Step 5: Solve for x
    x = 647,072,819.03/28,835.78
  6. Step 6: Final answer
    x = 22,439.93

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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.