Home / 43,422.24-65,138.76-15,336.60

Finding the Fourth Proportional to 43,422.24, 65,138.76 and 15,336.60

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Solution

The fourth proportional to 43,422.24, 65,138.76 and 15,336.60 is: 23,006.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,422.24 : 65,138.76 = 15,336.60 : x
  2. Step 2: Convert to fraction form
    43,422.24/65,138.76 = 15,336.60/x
  3. Step 3: Cross multiply
    43,422.24x = 65,138.76 × 15,336.60
  4. Step 4: Simplify right side
    43,422.24x = 999,007,106.62
  5. Step 5: Solve for x
    x = 999,007,106.62/43,422.24
  6. Step 6: Final answer
    x = 23,006.81

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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.