Home / 27,824.70-38,397.87-15,249.42

Finding the Fourth Proportional to 27,824.70, 38,397.87 and 15,249.42

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Solution

The fourth proportional to 27,824.70, 38,397.87 and 15,249.42 is: 21,044.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,824.70 : 38,397.87 = 15,249.42 : x
  2. Step 2: Convert to fraction form
    27,824.70/38,397.87 = 15,249.42/x
  3. Step 3: Cross multiply
    27,824.70x = 38,397.87 × 15,249.42
  4. Step 4: Simplify right side
    27,824.70x = 585,545,246.74
  5. Step 5: Solve for x
    x = 585,545,246.74/27,824.70
  6. Step 6: Final answer
    x = 21,044.08

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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.