Home / 25,739.60-38,566.20-12,563.60

Finding the Fourth Proportional to 25,739.60, 38,566.20 and 12,563.60

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Solution

The fourth proportional to 25,739.60, 38,566.20 and 12,563.60 is: 18,824.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,739.60 : 38,566.20 = 12,563.60 : x
  2. Step 2: Convert to fraction form
    25,739.60/38,566.20 = 12,563.60/x
  3. Step 3: Cross multiply
    25,739.60x = 38,566.20 × 12,563.60
  4. Step 4: Simplify right side
    25,739.60x = 484,530,310.32
  5. Step 5: Solve for x
    x = 484,530,310.32/25,739.60
  6. Step 6: Final answer
    x = 18,824.31

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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.