Home / 27,912.34-38,522.36-15,979.52

Finding the Fourth Proportional to 27,912.34, 38,522.36 and 15,979.52

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Solution

The fourth proportional to 27,912.34, 38,522.36 and 15,979.52 is: 22,053.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,912.34 : 38,522.36 = 15,979.52 : x
  2. Step 2: Convert to fraction form
    27,912.34/38,522.36 = 15,979.52/x
  3. Step 3: Cross multiply
    27,912.34x = 38,522.36 × 15,979.52
  4. Step 4: Simplify right side
    27,912.34x = 615,568,822.07
  5. Step 5: Solve for x
    x = 615,568,822.07/27,912.34
  6. Step 6: Final answer
    x = 22,053.64

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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.