Home / 20,285.14-30,385.32-16,314.94

Finding the Fourth Proportional to 20,285.14, 30,385.32 and 16,314.94

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Solution

The fourth proportional to 20,285.14, 30,385.32 and 16,314.94 is: 24,438.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,285.14 : 30,385.32 = 16,314.94 : x
  2. Step 2: Convert to fraction form
    20,285.14/30,385.32 = 16,314.94/x
  3. Step 3: Cross multiply
    20,285.14x = 30,385.32 × 16,314.94
  4. Step 4: Simplify right side
    20,285.14x = 495,734,672.68
  5. Step 5: Solve for x
    x = 495,734,672.68/20,285.14
  6. Step 6: Final answer
    x = 24,438.32

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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.