Home / 27,811.27-38,380.53-15,236.02

Finding the Fourth Proportional to 27,811.27, 38,380.53 and 15,236.02

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Solution

The fourth proportional to 27,811.27, 38,380.53 and 15,236.02 is: 21,026.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,811.27 : 38,380.53 = 15,236.02 : x
  2. Step 2: Convert to fraction form
    27,811.27/38,380.53 = 15,236.02/x
  3. Step 3: Cross multiply
    27,811.27x = 38,380.53 × 15,236.02
  4. Step 4: Simplify right side
    27,811.27x = 584,766,522.69
  5. Step 5: Solve for x
    x = 584,766,522.69/27,811.27
  6. Step 6: Final answer
    x = 21,026.24

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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.