Home / 28,440.09-39,244.64-16,500.69

Finding the Fourth Proportional to 28,440.09, 39,244.64 and 16,500.69

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Solution

The fourth proportional to 28,440.09, 39,244.64 and 16,500.69 is: 22,769.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,440.09 : 39,244.64 = 16,500.69 : x
  2. Step 2: Convert to fraction form
    28,440.09/39,244.64 = 16,500.69/x
  3. Step 3: Cross multiply
    28,440.09x = 39,244.64 × 16,500.69
  4. Step 4: Simplify right side
    28,440.09x = 647,563,556.30
  5. Step 5: Solve for x
    x = 647,563,556.30/28,440.09
  6. Step 6: Final answer
    x = 22,769.39

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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.