Home / 27,118.16-37,420.68-15,938

Finding the Fourth Proportional to 27,118.16, 37,420.68 and 15,938

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Solution

The fourth proportional to 27,118.16, 37,420.68 and 15,938 is: 21,993.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,118.16 : 37,420.68 = 15,938 : x
  2. Step 2: Convert to fraction form
    27,118.16/37,420.68 = 15,938/x
  3. Step 3: Cross multiply
    27,118.16x = 37,420.68 × 15,938
  4. Step 4: Simplify right side
    27,118.16x = 596,410,797.84
  5. Step 5: Solve for x
    x = 596,410,797.84/27,118.16
  6. Step 6: Final answer
    x = 21,993.04

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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.