Home / 27,895.82-38,496.53-15,320.57

Finding the Fourth Proportional to 27,895.82, 38,496.53 and 15,320.57

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Solution

The fourth proportional to 27,895.82, 38,496.53 and 15,320.57 is: 21,142.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,895.82 : 38,496.53 = 15,320.57 : x
  2. Step 2: Convert to fraction form
    27,895.82/38,496.53 = 15,320.57/x
  3. Step 3: Cross multiply
    27,895.82x = 38,496.53 × 15,320.57
  4. Step 4: Simplify right side
    27,895.82x = 589,788,513.54
  5. Step 5: Solve for x
    x = 589,788,513.54/27,895.82
  6. Step 6: Final answer
    x = 21,142.54

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.