Home / 20,022.18-27,628.22-11,068.48

Finding the Fourth Proportional to 20,022.18, 27,628.22 and 11,068.48

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Solution

The fourth proportional to 20,022.18, 27,628.22 and 11,068.48 is: 15,273.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,022.18 : 27,628.22 = 11,068.48 : x
  2. Step 2: Convert to fraction form
    20,022.18/27,628.22 = 11,068.48/x
  3. Step 3: Cross multiply
    20,022.18x = 27,628.22 × 11,068.48
  4. Step 4: Simplify right side
    20,022.18x = 305,802,400.51
  5. Step 5: Solve for x
    x = 305,802,400.51/20,022.18
  6. Step 6: Final answer
    x = 15,273.18

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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.