Home / 27,829.31-38,408.38-17,222.36

Finding the Fourth Proportional to 27,829.31, 38,408.38 and 17,222.36

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Solution

The fourth proportional to 27,829.31, 38,408.38 and 17,222.36 is: 23,769.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,829.31 : 38,408.38 = 17,222.36 : x
  2. Step 2: Convert to fraction form
    27,829.31/38,408.38 = 17,222.36/x
  3. Step 3: Cross multiply
    27,829.31x = 38,408.38 × 17,222.36
  4. Step 4: Simplify right side
    27,829.31x = 661,482,712.28
  5. Step 5: Solve for x
    x = 661,482,712.28/27,829.31
  6. Step 6: Final answer
    x = 23,769.29

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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.