Home / 27,764.09-38,314.31-15,017.29

Finding the Fourth Proportional to 27,764.09, 38,314.31 and 15,017.29

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Solution

The fourth proportional to 27,764.09, 38,314.31 and 15,017.29 is: 20,723.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,764.09 : 38,314.31 = 15,017.29 : x
  2. Step 2: Convert to fraction form
    27,764.09/38,314.31 = 15,017.29/x
  3. Step 3: Cross multiply
    27,764.09x = 38,314.31 × 15,017.29
  4. Step 4: Simplify right side
    27,764.09x = 575,377,046.18
  5. Step 5: Solve for x
    x = 575,377,046.18/27,764.09
  6. Step 6: Final answer
    x = 20,723.79

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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.