Home / 27,428.90-37,825.38-23,180.06

Finding the Fourth Proportional to 27,428.90, 37,825.38 and 23,180.06

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Solution

The fourth proportional to 27,428.90, 37,825.38 and 23,180.06 is: 31,966.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,428.90 : 37,825.38 = 23,180.06 : x
  2. Step 2: Convert to fraction form
    27,428.90/37,825.38 = 23,180.06/x
  3. Step 3: Cross multiply
    27,428.90x = 37,825.38 × 23,180.06
  4. Step 4: Simplify right side
    27,428.90x = 876,794,577.92
  5. Step 5: Solve for x
    x = 876,794,577.92/27,428.90
  6. Step 6: Final answer
    x = 31,966.09

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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.