Home / 27,845.25-38,426.46-15,270

Finding the Fourth Proportional to 27,845.25, 38,426.46 and 15,270

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Solution

The fourth proportional to 27,845.25, 38,426.46 and 15,270 is: 21,072.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,845.25 : 38,426.46 = 15,270 : x
  2. Step 2: Convert to fraction form
    27,845.25/38,426.46 = 15,270/x
  3. Step 3: Cross multiply
    27,845.25x = 38,426.46 × 15,270
  4. Step 4: Simplify right side
    27,845.25x = 586,772,044.20
  5. Step 5: Solve for x
    x = 586,772,044.20/27,845.25
  6. Step 6: Final answer
    x = 21,072.61

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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.