Home / 28,831.98-43,244.91-9,110.64

Finding the Fourth Proportional to 28,831.98, 43,244.91 and 9,110.64

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Solution

The fourth proportional to 28,831.98, 43,244.91 and 9,110.64 is: 13,664.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,831.98 : 43,244.91 = 9,110.64 : x
  2. Step 2: Convert to fraction form
    28,831.98/43,244.91 = 9,110.64/x
  3. Step 3: Cross multiply
    28,831.98x = 43,244.91 × 9,110.64
  4. Step 4: Simplify right side
    28,831.98x = 393,988,806.84
  5. Step 5: Solve for x
    x = 393,988,806.84/28,831.98
  6. Step 6: Final answer
    x = 13,664.99

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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.