Home / 25,255.56-37,906.68-12,784.34

Finding the Fourth Proportional to 25,255.56, 37,906.68 and 12,784.34

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Solution

The fourth proportional to 25,255.56, 37,906.68 and 12,784.34 is: 19,188.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,255.56 : 37,906.68 = 12,784.34 : x
  2. Step 2: Convert to fraction form
    25,255.56/37,906.68 = 12,784.34/x
  3. Step 3: Cross multiply
    25,255.56x = 37,906.68 × 12,784.34
  4. Step 4: Simplify right side
    25,255.56x = 484,611,695.86
  5. Step 5: Solve for x
    x = 484,611,695.86/25,255.56
  6. Step 6: Final answer
    x = 19,188.32

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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.