Home / 27,907.12-38,502.30-17,292.88

Finding the Fourth Proportional to 27,907.12, 38,502.30 and 17,292.88

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Solution

The fourth proportional to 27,907.12, 38,502.30 and 17,292.88 is: 23,858.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,907.12 : 38,502.30 = 17,292.88 : x
  2. Step 2: Convert to fraction form
    27,907.12/38,502.30 = 17,292.88/x
  3. Step 3: Cross multiply
    27,907.12x = 38,502.30 × 17,292.88
  4. Step 4: Simplify right side
    27,907.12x = 665,815,653.62
  5. Step 5: Solve for x
    x = 665,815,653.62/27,907.12
  6. Step 6: Final answer
    x = 23,858.27

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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.