Home / 28,604.34-39,476.16-16,671.42

Finding the Fourth Proportional to 28,604.34, 39,476.16 and 16,671.42

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Solution

The fourth proportional to 28,604.34, 39,476.16 and 16,671.42 is: 23,007.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,604.34 : 39,476.16 = 16,671.42 : x
  2. Step 2: Convert to fraction form
    28,604.34/39,476.16 = 16,671.42/x
  3. Step 3: Cross multiply
    28,604.34x = 39,476.16 × 16,671.42
  4. Step 4: Simplify right side
    28,604.34x = 658,123,643.35
  5. Step 5: Solve for x
    x = 658,123,643.35/28,604.34
  6. Step 6: Final answer
    x = 23,007.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.