Home / 27,954.52-38,568.05-15,853.62

Finding the Fourth Proportional to 27,954.52, 38,568.05 and 15,853.62

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Solution

The fourth proportional to 27,954.52, 38,568.05 and 15,853.62 is: 21,872.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,954.52 : 38,568.05 = 15,853.62 : x
  2. Step 2: Convert to fraction form
    27,954.52/38,568.05 = 15,853.62/x
  3. Step 3: Cross multiply
    27,954.52x = 38,568.05 × 15,853.62
  4. Step 4: Simplify right side
    27,954.52x = 611,443,333.65
  5. Step 5: Solve for x
    x = 611,443,333.65/27,954.52
  6. Step 6: Final answer
    x = 21,872.79

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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.