Home / 27,211.53-37,551.59-15,274.56

Finding the Fourth Proportional to 27,211.53, 37,551.59 and 15,274.56

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Solution

The fourth proportional to 27,211.53, 37,551.59 and 15,274.56 is: 21,078.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,211.53 : 37,551.59 = 15,274.56 : x
  2. Step 2: Convert to fraction form
    27,211.53/37,551.59 = 15,274.56/x
  3. Step 3: Cross multiply
    27,211.53x = 37,551.59 × 15,274.56
  4. Step 4: Simplify right side
    27,211.53x = 573,584,052.74
  5. Step 5: Solve for x
    x = 573,584,052.74/27,211.53
  6. Step 6: Final answer
    x = 21,078.71

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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.