Home / 27,921.96-38,538.18-17,706.38

Finding the Fourth Proportional to 27,921.96, 38,538.18 and 17,706.38

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Solution

The fourth proportional to 27,921.96, 38,538.18 and 17,706.38 is: 24,438.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,921.96 : 38,538.18 = 17,706.38 : x
  2. Step 2: Convert to fraction form
    27,921.96/38,538.18 = 17,706.38/x
  3. Step 3: Cross multiply
    27,921.96x = 38,538.18 × 17,706.38
  4. Step 4: Simplify right side
    27,921.96x = 682,371,466.90
  5. Step 5: Solve for x
    x = 682,371,466.90/27,921.96
  6. Step 6: Final answer
    x = 24,438.52

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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.