Home / 27,449.64-37,878.39-15,350.06

Finding the Fourth Proportional to 27,449.64, 37,878.39 and 15,350.06

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Solution

The fourth proportional to 27,449.64, 37,878.39 and 15,350.06 is: 21,181.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,449.64 : 37,878.39 = 15,350.06 : x
  2. Step 2: Convert to fraction form
    27,449.64/37,878.39 = 15,350.06/x
  3. Step 3: Cross multiply
    27,449.64x = 37,878.39 × 15,350.06
  4. Step 4: Simplify right side
    27,449.64x = 581,435,653.90
  5. Step 5: Solve for x
    x = 581,435,653.90/27,449.64
  6. Step 6: Final answer
    x = 21,181.90

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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.