Home / 27,455.68-37,888.66-15,519

Finding the Fourth Proportional to 27,455.68, 37,888.66 and 15,519

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Solution

The fourth proportional to 27,455.68, 37,888.66 and 15,519 is: 21,416.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,455.68 : 37,888.66 = 15,519 : x
  2. Step 2: Convert to fraction form
    27,455.68/37,888.66 = 15,519/x
  3. Step 3: Cross multiply
    27,455.68x = 37,888.66 × 15,519
  4. Step 4: Simplify right side
    27,455.68x = 587,994,114.54
  5. Step 5: Solve for x
    x = 587,994,114.54/27,455.68
  6. Step 6: Final answer
    x = 21,416.12

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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.