Home / 27,189.89-37,522.11-15,867.17

Finding the Fourth Proportional to 27,189.89, 37,522.11 and 15,867.17

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Solution

The fourth proportional to 27,189.89, 37,522.11 and 15,867.17 is: 21,896.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,189.89 : 37,522.11 = 15,867.17 : x
  2. Step 2: Convert to fraction form
    27,189.89/37,522.11 = 15,867.17/x
  3. Step 3: Cross multiply
    27,189.89x = 37,522.11 × 15,867.17
  4. Step 4: Simplify right side
    27,189.89x = 595,369,698.13
  5. Step 5: Solve for x
    x = 595,369,698.13/27,189.89
  6. Step 6: Final answer
    x = 21,896.73

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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.