Home / 27,118.12-37,421.16-15,181.36

Finding the Fourth Proportional to 27,118.12, 37,421.16 and 15,181.36

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Solution

The fourth proportional to 27,118.12, 37,421.16 and 15,181.36 is: 20,949.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,118.12 : 37,421.16 = 15,181.36 : x
  2. Step 2: Convert to fraction form
    27,118.12/37,421.16 = 15,181.36/x
  3. Step 3: Cross multiply
    27,118.12x = 37,421.16 × 15,181.36
  4. Step 4: Simplify right side
    27,118.12x = 568,104,101.58
  5. Step 5: Solve for x
    x = 568,104,101.58/27,118.12
  6. Step 6: Final answer
    x = 20,949.24

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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.