Home / 26,849.99-40,213.65-12,819.88

Finding the Fourth Proportional to 26,849.99, 40,213.65 and 12,819.88

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Solution

The fourth proportional to 26,849.99, 40,213.65 and 12,819.88 is: 19,200.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,849.99 : 40,213.65 = 12,819.88 : x
  2. Step 2: Convert to fraction form
    26,849.99/40,213.65 = 12,819.88/x
  3. Step 3: Cross multiply
    26,849.99x = 40,213.65 × 12,819.88
  4. Step 4: Simplify right side
    26,849.99x = 515,534,167.36
  5. Step 5: Solve for x
    x = 515,534,167.36/26,849.99
  6. Step 6: Final answer
    x = 19,200.53

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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.