Home / 27,662.32-38,177.48-15,563.42

Finding the Fourth Proportional to 27,662.32, 38,177.48 and 15,563.42

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Solution

The fourth proportional to 27,662.32, 38,177.48 and 15,563.42 is: 21,479.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,662.32 : 38,177.48 = 15,563.42 : x
  2. Step 2: Convert to fraction form
    27,662.32/38,177.48 = 15,563.42/x
  3. Step 3: Cross multiply
    27,662.32x = 38,177.48 × 15,563.42
  4. Step 4: Simplify right side
    27,662.32x = 594,172,155.78
  5. Step 5: Solve for x
    x = 594,172,155.78/27,662.32
  6. Step 6: Final answer
    x = 21,479.48

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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.