Home / 28,738.68-39,653.43-16,799.70

Finding the Fourth Proportional to 28,738.68, 39,653.43 and 16,799.70

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Solution

The fourth proportional to 28,738.68, 39,653.43 and 16,799.70 is: 23,180.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,738.68 : 39,653.43 = 16,799.70 : x
  2. Step 2: Convert to fraction form
    28,738.68/39,653.43 = 16,799.70/x
  3. Step 3: Cross multiply
    28,738.68x = 39,653.43 × 16,799.70
  4. Step 4: Simplify right side
    28,738.68x = 666,165,813.67
  5. Step 5: Solve for x
    x = 666,165,813.67/28,738.68
  6. Step 6: Final answer
    x = 23,180.11

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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.