Home / 27,089.89-37,369.00-15,758.11

Finding the Fourth Proportional to 27,089.89, 37,369.00 and 15,758.11

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Solution

The fourth proportional to 27,089.89, 37,369.00 and 15,758.11 is: 21,737.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,089.89 : 37,369.00 = 15,758.11 : x
  2. Step 2: Convert to fraction form
    27,089.89/37,369.00 = 15,758.11/x
  3. Step 3: Cross multiply
    27,089.89x = 37,369.00 × 15,758.11
  4. Step 4: Simplify right side
    27,089.89x = 588,864,546.95
  5. Step 5: Solve for x
    x = 588,864,546.95/27,089.89
  6. Step 6: Final answer
    x = 21,737.43

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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.