Home / 20,080.55-27,710.42-11,583.03

Finding the Fourth Proportional to 20,080.55, 27,710.42 and 11,583.03

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Solution

The fourth proportional to 20,080.55, 27,710.42 and 11,583.03 is: 15,984.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,080.55 : 27,710.42 = 11,583.03 : x
  2. Step 2: Convert to fraction form
    20,080.55/27,710.42 = 11,583.03/x
  3. Step 3: Cross multiply
    20,080.55x = 27,710.42 × 11,583.03
  4. Step 4: Simplify right side
    20,080.55x = 320,970,626.17
  5. Step 5: Solve for x
    x = 320,970,626.17/20,080.55
  6. Step 6: Final answer
    x = 15,984.16

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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.