Home / 20,056.07-27,683.37-12,982.97

Finding the Fourth Proportional to 20,056.07, 27,683.37 and 12,982.97

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Solution

The fourth proportional to 20,056.07, 27,683.37 and 12,982.97 is: 17,920.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,056.07 : 27,683.37 = 12,982.97 : x
  2. Step 2: Convert to fraction form
    20,056.07/27,683.37 = 12,982.97/x
  3. Step 3: Cross multiply
    20,056.07x = 27,683.37 × 12,982.97
  4. Step 4: Simplify right side
    20,056.07x = 359,412,223.79
  5. Step 5: Solve for x
    x = 359,412,223.79/20,056.07
  6. Step 6: Final answer
    x = 17,920.38

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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.