Home / 20,224.26-27,893.70-13,152.96

Finding the Fourth Proportional to 20,224.26, 27,893.70 and 13,152.96

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Solution

The fourth proportional to 20,224.26, 27,893.70 and 13,152.96 is: 18,140.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,224.26 : 27,893.70 = 13,152.96 : x
  2. Step 2: Convert to fraction form
    20,224.26/27,893.70 = 13,152.96/x
  3. Step 3: Cross multiply
    20,224.26x = 27,893.70 × 13,152.96
  4. Step 4: Simplify right side
    20,224.26x = 366,884,720.35
  5. Step 5: Solve for x
    x = 366,884,720.35/20,224.26
  6. Step 6: Final answer
    x = 18,140.82

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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.