Home / 27,923.89-38,535.66-15,348.64

Finding the Fourth Proportional to 27,923.89, 38,535.66 and 15,348.64

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Solution

The fourth proportional to 27,923.89, 38,535.66 and 15,348.64 is: 21,181.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,923.89 : 38,535.66 = 15,348.64 : x
  2. Step 2: Convert to fraction form
    27,923.89/38,535.66 = 15,348.64/x
  3. Step 3: Cross multiply
    27,923.89x = 38,535.66 × 15,348.64
  4. Step 4: Simplify right side
    27,923.89x = 591,469,972.50
  5. Step 5: Solve for x
    x = 591,469,972.50/27,923.89
  6. Step 6: Final answer
    x = 21,181.50

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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.