Home / 27,792.03-38,386.67-20,226.36

Finding the Fourth Proportional to 27,792.03, 38,386.67 and 20,226.36

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Solution

The fourth proportional to 27,792.03, 38,386.67 and 20,226.36 is: 27,936.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,792.03 : 38,386.67 = 20,226.36 : x
  2. Step 2: Convert to fraction form
    27,792.03/38,386.67 = 20,226.36/x
  3. Step 3: Cross multiply
    27,792.03x = 38,386.67 × 20,226.36
  4. Step 4: Simplify right side
    27,792.03x = 776,422,505.49
  5. Step 5: Solve for x
    x = 776,422,505.49/27,792.03
  6. Step 6: Final answer
    x = 27,936.88

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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.