Home / 27,662.35-38,173.87-15,725.69

Finding the Fourth Proportional to 27,662.35, 38,173.87 and 15,725.69

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Solution

The fourth proportional to 27,662.35, 38,173.87 and 15,725.69 is: 21,701.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,662.35 : 38,173.87 = 15,725.69 : x
  2. Step 2: Convert to fraction form
    27,662.35/38,173.87 = 15,725.69/x
  3. Step 3: Cross multiply
    27,662.35x = 38,173.87 × 15,725.69
  4. Step 4: Simplify right side
    27,662.35x = 600,310,445.72
  5. Step 5: Solve for x
    x = 600,310,445.72/27,662.35
  6. Step 6: Final answer
    x = 21,701.35

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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.