Home / 27,530.92-37,998.70-18,100.36

Finding the Fourth Proportional to 27,530.92, 37,998.70 and 18,100.36

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Solution

The fourth proportional to 27,530.92, 37,998.70 and 18,100.36 is: 24,982.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,530.92 : 37,998.70 = 18,100.36 : x
  2. Step 2: Convert to fraction form
    27,530.92/37,998.70 = 18,100.36/x
  3. Step 3: Cross multiply
    27,530.92x = 37,998.70 × 18,100.36
  4. Step 4: Simplify right side
    27,530.92x = 687,790,149.53
  5. Step 5: Solve for x
    x = 687,790,149.53/27,530.92
  6. Step 6: Final answer
    x = 24,982.46

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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.