Home / 21,795.34-30,093-17,020.66

Finding the Fourth Proportional to 21,795.34, 30,093 and 17,020.66

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Solution

The fourth proportional to 21,795.34, 30,093 and 17,020.66 is: 23,500.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,795.34 : 30,093 = 17,020.66 : x
  2. Step 2: Convert to fraction form
    21,795.34/30,093 = 17,020.66/x
  3. Step 3: Cross multiply
    21,795.34x = 30,093 × 17,020.66
  4. Step 4: Simplify right side
    21,795.34x = 512,202,721.38
  5. Step 5: Solve for x
    x = 512,202,721.38/21,795.34
  6. Step 6: Final answer
    x = 23,500.56

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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.