Home / 27,824.72-38,397.04-15,249.47

Finding the Fourth Proportional to 27,824.72, 38,397.04 and 15,249.47

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Solution

The fourth proportional to 27,824.72, 38,397.04 and 15,249.47 is: 21,043.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,824.72 : 38,397.04 = 15,249.47 : x
  2. Step 2: Convert to fraction form
    27,824.72/38,397.04 = 15,249.47/x
  3. Step 3: Cross multiply
    27,824.72x = 38,397.04 × 15,249.47
  4. Step 4: Simplify right side
    27,824.72x = 585,534,279.46
  5. Step 5: Solve for x
    x = 585,534,279.46/27,824.72
  6. Step 6: Final answer
    x = 21,043.68

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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.