Home / 27,141.37-37,452.59-15,205.21

Finding the Fourth Proportional to 27,141.37, 37,452.59 and 15,205.21

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Solution

The fourth proportional to 27,141.37, 37,452.59 and 15,205.21 is: 20,981.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,141.37 : 37,452.59 = 15,205.21 : x
  2. Step 2: Convert to fraction form
    27,141.37/37,452.59 = 15,205.21/x
  3. Step 3: Cross multiply
    27,141.37x = 37,452.59 × 15,205.21
  4. Step 4: Simplify right side
    27,141.37x = 569,474,419.97
  5. Step 5: Solve for x
    x = 569,474,419.97/27,141.37
  6. Step 6: Final answer
    x = 20,981.79

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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.