Home / 43,525.20-65,287.80-15,819.60

Finding the Fourth Proportional to 43,525.20, 65,287.80 and 15,819.60

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Solution

The fourth proportional to 43,525.20, 65,287.80 and 15,819.60 is: 23,729.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,525.20 : 65,287.80 = 15,819.60 : x
  2. Step 2: Convert to fraction form
    43,525.20/65,287.80 = 15,819.60/x
  3. Step 3: Cross multiply
    43,525.20x = 65,287.80 × 15,819.60
  4. Step 4: Simplify right side
    43,525.20x = 1,032,826,880.88
  5. Step 5: Solve for x
    x = 1,032,826,880.88/43,525.20
  6. Step 6: Final answer
    x = 23,729.40

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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.