Home / 27,839.55-38,418.62-15,092.81

Finding the Fourth Proportional to 27,839.55, 38,418.62 and 15,092.81

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Solution

The fourth proportional to 27,839.55, 38,418.62 and 15,092.81 is: 20,828.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,839.55 : 38,418.62 = 15,092.81 : x
  2. Step 2: Convert to fraction form
    27,839.55/38,418.62 = 15,092.81/x
  3. Step 3: Cross multiply
    27,839.55x = 38,418.62 × 15,092.81
  4. Step 4: Simplify right side
    27,839.55x = 579,844,664.57
  5. Step 5: Solve for x
    x = 579,844,664.57/27,839.55
  6. Step 6: Final answer
    x = 20,828.09

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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.