Home / 28,725.42-39,640.98-16,150.17

Finding the Fourth Proportional to 28,725.42, 39,640.98 and 16,150.17

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Solution

The fourth proportional to 28,725.42, 39,640.98 and 16,150.17 is: 22,287.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,725.42 : 39,640.98 = 16,150.17 : x
  2. Step 2: Convert to fraction form
    28,725.42/39,640.98 = 16,150.17/x
  3. Step 3: Cross multiply
    28,725.42x = 39,640.98 × 16,150.17
  4. Step 4: Simplify right side
    28,725.42x = 640,208,705.44
  5. Step 5: Solve for x
    x = 640,208,705.44/28,725.42
  6. Step 6: Final answer
    x = 22,287.18

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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.