Home / 27,919.44-38,528.52-15,343.92

Finding the Fourth Proportional to 27,919.44, 38,528.52 and 15,343.92

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Solution

The fourth proportional to 27,919.44, 38,528.52 and 15,343.92 is: 21,174.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,919.44 : 38,528.52 = 15,343.92 : x
  2. Step 2: Convert to fraction form
    27,919.44/38,528.52 = 15,343.92/x
  3. Step 3: Cross multiply
    27,919.44x = 38,528.52 × 15,343.92
  4. Step 4: Simplify right side
    27,919.44x = 591,178,528.60
  5. Step 5: Solve for x
    x = 591,178,528.60/27,919.44
  6. Step 6: Final answer
    x = 21,174.44

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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.