Home / 20,256.08-30,380.27-8,577.50

Finding the Fourth Proportional to 20,256.08, 30,380.27 and 8,577.50

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Solution

The fourth proportional to 20,256.08, 30,380.27 and 8,577.50 is: 12,864.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,256.08 : 30,380.27 = 8,577.50 : x
  2. Step 2: Convert to fraction form
    20,256.08/30,380.27 = 8,577.50/x
  3. Step 3: Cross multiply
    20,256.08x = 30,380.27 × 8,577.50
  4. Step 4: Simplify right side
    20,256.08x = 260,586,571.14
  5. Step 5: Solve for x
    x = 260,586,571.14/20,256.08
  6. Step 6: Final answer
    x = 12,864.61

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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.