Home / 27,589.06-38,072.55-15,013.81

Finding the Fourth Proportional to 27,589.06, 38,072.55 and 15,013.81

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Solution

The fourth proportional to 27,589.06, 38,072.55 and 15,013.81 is: 20,718.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,589.06 : 38,072.55 = 15,013.81 : x
  2. Step 2: Convert to fraction form
    27,589.06/38,072.55 = 15,013.81/x
  3. Step 3: Cross multiply
    27,589.06x = 38,072.55 × 15,013.81
  4. Step 4: Simplify right side
    27,589.06x = 571,614,031.92
  5. Step 5: Solve for x
    x = 571,614,031.92/27,589.06
  6. Step 6: Final answer
    x = 20,718.87

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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.