Home / 27,868.77-38,459.57-15,933.22

Finding the Fourth Proportional to 27,868.77, 38,459.57 and 15,933.22

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Solution

The fourth proportional to 27,868.77, 38,459.57 and 15,933.22 is: 21,988.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,868.77 : 38,459.57 = 15,933.22 : x
  2. Step 2: Convert to fraction form
    27,868.77/38,459.57 = 15,933.22/x
  3. Step 3: Cross multiply
    27,868.77x = 38,459.57 × 15,933.22
  4. Step 4: Simplify right side
    27,868.77x = 612,784,614.10
  5. Step 5: Solve for x
    x = 612,784,614.10/27,868.77
  6. Step 6: Final answer
    x = 21,988.22

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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.