Home / 27,042.92-37,321.25-15,561.35

Finding the Fourth Proportional to 27,042.92, 37,321.25 and 15,561.35

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Solution

The fourth proportional to 27,042.92, 37,321.25 and 15,561.35 is: 21,475.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,042.92 : 37,321.25 = 15,561.35 : x
  2. Step 2: Convert to fraction form
    27,042.92/37,321.25 = 15,561.35/x
  3. Step 3: Cross multiply
    27,042.92x = 37,321.25 × 15,561.35
  4. Step 4: Simplify right side
    27,042.92x = 580,769,033.69
  5. Step 5: Solve for x
    x = 580,769,033.69/27,042.92
  6. Step 6: Final answer
    x = 21,475.83

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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.