Home / 27,628.82-38,127.77-15,053.57

Finding the Fourth Proportional to 27,628.82, 38,127.77 and 15,053.57

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Solution

The fourth proportional to 27,628.82, 38,127.77 and 15,053.57 is: 20,773.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,628.82 : 38,127.77 = 15,053.57 : x
  2. Step 2: Convert to fraction form
    27,628.82/38,127.77 = 15,053.57/x
  3. Step 3: Cross multiply
    27,628.82x = 38,127.77 × 15,053.57
  4. Step 4: Simplify right side
    27,628.82x = 573,958,788.73
  5. Step 5: Solve for x
    x = 573,958,788.73/27,628.82
  6. Step 6: Final answer
    x = 20,773.92

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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.