Home / 27,117.84-37,418.31-15,181.68

Finding the Fourth Proportional to 27,117.84, 37,418.31 and 15,181.68

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Solution

The fourth proportional to 27,117.84, 37,418.31 and 15,181.68 is: 20,948.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,117.84 : 37,418.31 = 15,181.68 : x
  2. Step 2: Convert to fraction form
    27,117.84/37,418.31 = 15,181.68/x
  3. Step 3: Cross multiply
    27,117.84x = 37,418.31 × 15,181.68
  4. Step 4: Simplify right side
    27,117.84x = 568,072,808.56
  5. Step 5: Solve for x
    x = 568,072,808.56/27,117.84
  6. Step 6: Final answer
    x = 20,948.31

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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.