Home / 18,113.44-27,128.04-17,615.16

Finding the Fourth Proportional to 18,113.44, 27,128.04 and 17,615.16

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Solution

The fourth proportional to 18,113.44, 27,128.04 and 17,615.16 is: 26,381.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,113.44 : 27,128.04 = 17,615.16 : x
  2. Step 2: Convert to fraction form
    18,113.44/27,128.04 = 17,615.16/x
  3. Step 3: Cross multiply
    18,113.44x = 27,128.04 × 17,615.16
  4. Step 4: Simplify right side
    18,113.44x = 477,864,765.09
  5. Step 5: Solve for x
    x = 477,864,765.09/18,113.44
  6. Step 6: Final answer
    x = 26,381.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.