Home / 28,706.07-39,633.71-25,671.78

Finding the Fourth Proportional to 28,706.07, 39,633.71 and 25,671.78

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Solution

The fourth proportional to 28,706.07, 39,633.71 and 25,671.78 is: 35,444.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,706.07 : 39,633.71 = 25,671.78 : x
  2. Step 2: Convert to fraction form
    28,706.07/39,633.71 = 25,671.78/x
  3. Step 3: Cross multiply
    28,706.07x = 39,633.71 × 25,671.78
  4. Step 4: Simplify right side
    28,706.07x = 1,017,467,883.70
  5. Step 5: Solve for x
    x = 1,017,467,883.70/28,706.07
  6. Step 6: Final answer
    x = 35,444.35

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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.