Home / 28,831.04-43,212-13,244.48

Finding the Fourth Proportional to 28,831.04, 43,212 and 13,244.48

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Solution

The fourth proportional to 28,831.04, 43,212 and 13,244.48 is: 19,850.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,831.04 : 43,212 = 13,244.48 : x
  2. Step 2: Convert to fraction form
    28,831.04/43,212 = 13,244.48/x
  3. Step 3: Cross multiply
    28,831.04x = 43,212 × 13,244.48
  4. Step 4: Simplify right side
    28,831.04x = 572,320,469.76
  5. Step 5: Solve for x
    x = 572,320,469.76/28,831.04
  6. Step 6: Final answer
    x = 19,850.84

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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.