Home / 28,243.74-38,972.52-16,910.64

Finding the Fourth Proportional to 28,243.74, 38,972.52 and 16,910.64

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Solution

The fourth proportional to 28,243.74, 38,972.52 and 16,910.64 is: 23,334.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,243.74 : 38,972.52 = 16,910.64 : x
  2. Step 2: Convert to fraction form
    28,243.74/38,972.52 = 16,910.64/x
  3. Step 3: Cross multiply
    28,243.74x = 38,972.52 × 16,910.64
  4. Step 4: Simplify right side
    28,243.74x = 659,050,255.61
  5. Step 5: Solve for x
    x = 659,050,255.61/28,243.74
  6. Step 6: Final answer
    x = 23,334.38

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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.