Home / 27,851.58-41,763.67-9,128.16

Finding the Fourth Proportional to 27,851.58, 41,763.67 and 9,128.16

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Solution

The fourth proportional to 27,851.58, 41,763.67 and 9,128.16 is: 13,687.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,851.58 : 41,763.67 = 9,128.16 : x
  2. Step 2: Convert to fraction form
    27,851.58/41,763.67 = 9,128.16/x
  3. Step 3: Cross multiply
    27,851.58x = 41,763.67 × 9,128.16
  4. Step 4: Simplify right side
    27,851.58x = 381,225,439.13
  5. Step 5: Solve for x
    x = 381,225,439.13/27,851.58
  6. Step 6: Final answer
    x = 13,687.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.