Home / 27,344.43-37,735.56-15,405.42

Finding the Fourth Proportional to 27,344.43, 37,735.56 and 15,405.42

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Solution

The fourth proportional to 27,344.43, 37,735.56 and 15,405.42 is: 21,259.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,344.43 : 37,735.56 = 15,405.42 : x
  2. Step 2: Convert to fraction form
    27,344.43/37,735.56 = 15,405.42/x
  3. Step 3: Cross multiply
    27,344.43x = 37,735.56 × 15,405.42
  4. Step 4: Simplify right side
    27,344.43x = 581,332,150.74
  5. Step 5: Solve for x
    x = 581,332,150.74/27,344.43
  6. Step 6: Final answer
    x = 21,259.62

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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.