Home / 27,088.63-37,380.56-15,149.90

Finding the Fourth Proportional to 27,088.63, 37,380.56 and 15,149.90

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Solution

The fourth proportional to 27,088.63, 37,380.56 and 15,149.90 is: 20,905.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,088.63 : 37,380.56 = 15,149.90 : x
  2. Step 2: Convert to fraction form
    27,088.63/37,380.56 = 15,149.90/x
  3. Step 3: Cross multiply
    27,088.63x = 37,380.56 × 15,149.90
  4. Step 4: Simplify right side
    27,088.63x = 566,311,763.65
  5. Step 5: Solve for x
    x = 566,311,763.65/27,088.63
  6. Step 6: Final answer
    x = 20,905.89

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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.