Home / 28,142.94-42,193.45-17,046.96

Finding the Fourth Proportional to 28,142.94, 42,193.45 and 17,046.96

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Solution

The fourth proportional to 28,142.94, 42,193.45 and 17,046.96 is: 25,557.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,142.94 : 42,193.45 = 17,046.96 : x
  2. Step 2: Convert to fraction form
    28,142.94/42,193.45 = 17,046.96/x
  3. Step 3: Cross multiply
    28,142.94x = 42,193.45 × 17,046.96
  4. Step 4: Simplify right side
    28,142.94x = 719,270,054.41
  5. Step 5: Solve for x
    x = 719,270,054.41/28,142.94
  6. Step 6: Final answer
    x = 25,557.74

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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.