Home / 28,671.68-39,569.38-16,738.82

Finding the Fourth Proportional to 28,671.68, 39,569.38 and 16,738.82

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Solution

The fourth proportional to 28,671.68, 39,569.38 and 16,738.82 is: 23,101.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,671.68 : 39,569.38 = 16,738.82 : x
  2. Step 2: Convert to fraction form
    28,671.68/39,569.38 = 16,738.82/x
  3. Step 3: Cross multiply
    28,671.68x = 39,569.38 × 16,738.82
  4. Step 4: Simplify right side
    28,671.68x = 662,344,729.33
  5. Step 5: Solve for x
    x = 662,344,729.33/28,671.68
  6. Step 6: Final answer
    x = 23,101.01

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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.