Home / 27,919.26-38,527.83-15,342.30

Finding the Fourth Proportional to 27,919.26, 38,527.83 and 15,342.30

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Solution

The fourth proportional to 27,919.26, 38,527.83 and 15,342.30 is: 21,171.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,919.26 : 38,527.83 = 15,342.30 : x
  2. Step 2: Convert to fraction form
    27,919.26/38,527.83 = 15,342.30/x
  3. Step 3: Cross multiply
    27,919.26x = 38,527.83 × 15,342.30
  4. Step 4: Simplify right side
    27,919.26x = 591,105,526.21
  5. Step 5: Solve for x
    x = 591,105,526.21/27,919.26
  6. Step 6: Final answer
    x = 21,171.96

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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.