Home / 27,900.56-38,503.32-15,326

Finding the Fourth Proportional to 27,900.56, 38,503.32 and 15,326

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Solution

The fourth proportional to 27,900.56, 38,503.32 and 15,326 is: 21,150.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,900.56 : 38,503.32 = 15,326 : x
  2. Step 2: Convert to fraction form
    27,900.56/38,503.32 = 15,326/x
  3. Step 3: Cross multiply
    27,900.56x = 38,503.32 × 15,326
  4. Step 4: Simplify right side
    27,900.56x = 590,101,882.32
  5. Step 5: Solve for x
    x = 590,101,882.32/27,900.56
  6. Step 6: Final answer
    x = 21,150.18

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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.