Home / 20,176.40-30,232.20-14,927.60

Finding the Fourth Proportional to 20,176.40, 30,232.20 and 14,927.60

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Solution

The fourth proportional to 20,176.40, 30,232.20 and 14,927.60 is: 22,367.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,176.40 : 30,232.20 = 14,927.60 : x
  2. Step 2: Convert to fraction form
    20,176.40/30,232.20 = 14,927.60/x
  3. Step 3: Cross multiply
    20,176.40x = 30,232.20 × 14,927.60
  4. Step 4: Simplify right side
    20,176.40x = 451,294,188.72
  5. Step 5: Solve for x
    x = 451,294,188.72/20,176.40
  6. Step 6: Final answer
    x = 22,367.43

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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.