Home / 27,917.60-41,973.60-23,640.80

Finding the Fourth Proportional to 27,917.60, 41,973.60 and 23,640.80

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Solution

The fourth proportional to 27,917.60, 41,973.60 and 23,640.80 is: 35,543.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,917.60 : 41,973.60 = 23,640.80 : x
  2. Step 2: Convert to fraction form
    27,917.60/41,973.60 = 23,640.80/x
  3. Step 3: Cross multiply
    27,917.60x = 41,973.60 × 23,640.80
  4. Step 4: Simplify right side
    27,917.60x = 992,289,482.88
  5. Step 5: Solve for x
    x = 992,289,482.88/27,917.60
  6. Step 6: Final answer
    x = 35,543.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.