Home / 20,237-27,944.68-12,696.29

Finding the Fourth Proportional to 20,237, 27,944.68 and 12,696.29

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Solution

The fourth proportional to 20,237, 27,944.68 and 12,696.29 is: 17,531.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,237 : 27,944.68 = 12,696.29 : x
  2. Step 2: Convert to fraction form
    20,237/27,944.68 = 12,696.29/x
  3. Step 3: Cross multiply
    20,237x = 27,944.68 × 12,696.29
  4. Step 4: Simplify right side
    20,237x = 354,793,761.24
  5. Step 5: Solve for x
    x = 354,793,761.24/20,237
  6. Step 6: Final answer
    x = 17,531.93

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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.