Home / 28,831.02-39,786.14-16,084.02

Finding the Fourth Proportional to 28,831.02, 39,786.14 and 16,084.02

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Solution

The fourth proportional to 28,831.02, 39,786.14 and 16,084.02 is: 22,195.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,831.02 : 39,786.14 = 16,084.02 : x
  2. Step 2: Convert to fraction form
    28,831.02/39,786.14 = 16,084.02/x
  3. Step 3: Cross multiply
    28,831.02x = 39,786.14 × 16,084.02
  4. Step 4: Simplify right side
    28,831.02x = 639,921,071.48
  5. Step 5: Solve for x
    x = 639,921,071.48/28,831.02
  6. Step 6: Final answer
    x = 22,195.58

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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.