Home / 27,396.96-37,822.68-18,998.88

Finding the Fourth Proportional to 27,396.96, 37,822.68 and 18,998.88

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Solution

The fourth proportional to 27,396.96, 37,822.68 and 18,998.88 is: 26,228.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,396.96 : 37,822.68 = 18,998.88 : x
  2. Step 2: Convert to fraction form
    27,396.96/37,822.68 = 18,998.88/x
  3. Step 3: Cross multiply
    27,396.96x = 37,822.68 × 18,998.88
  4. Step 4: Simplify right side
    27,396.96x = 718,588,558.60
  5. Step 5: Solve for x
    x = 718,588,558.60/27,396.96
  6. Step 6: Final answer
    x = 26,228.77

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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.