Home / 26,679.60-36,819.72-15,352.80

Finding the Fourth Proportional to 26,679.60, 36,819.72 and 15,352.80

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Solution

The fourth proportional to 26,679.60, 36,819.72 and 15,352.80 is: 21,187.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,679.60 : 36,819.72 = 15,352.80 : x
  2. Step 2: Convert to fraction form
    26,679.60/36,819.72 = 15,352.80/x
  3. Step 3: Cross multiply
    26,679.60x = 36,819.72 × 15,352.80
  4. Step 4: Simplify right side
    26,679.60x = 565,285,797.22
  5. Step 5: Solve for x
    x = 565,285,797.22/26,679.60
  6. Step 6: Final answer
    x = 21,187.94

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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.