Home / 26,405.60-36,439.71-15,797.73

Finding the Fourth Proportional to 26,405.60, 36,439.71 and 15,797.73

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Solution

The fourth proportional to 26,405.60, 36,439.71 and 15,797.73 is: 21,800.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,405.60 : 36,439.71 = 15,797.73 : x
  2. Step 2: Convert to fraction form
    26,405.60/36,439.71 = 15,797.73/x
  3. Step 3: Cross multiply
    26,405.60x = 36,439.71 × 15,797.73
  4. Step 4: Simplify right side
    26,405.60x = 575,664,777.27
  5. Step 5: Solve for x
    x = 575,664,777.27/26,405.60
  6. Step 6: Final answer
    x = 21,800.86

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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.