Home / 28,880.37-43,309.53-13,883.34

Finding the Fourth Proportional to 28,880.37, 43,309.53 and 13,883.34

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Solution

The fourth proportional to 28,880.37, 43,309.53 and 13,883.34 is: 20,819.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,880.37 : 43,309.53 = 13,883.34 : x
  2. Step 2: Convert to fraction form
    28,880.37/43,309.53 = 13,883.34/x
  3. Step 3: Cross multiply
    28,880.37x = 43,309.53 × 13,883.34
  4. Step 4: Simplify right side
    28,880.37x = 601,280,930.23
  5. Step 5: Solve for x
    x = 601,280,930.23/28,880.37
  6. Step 6: Final answer
    x = 20,819.71

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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.