Home / 27,009.20-37,257.72-15,829.04

Finding the Fourth Proportional to 27,009.20, 37,257.72 and 15,829.04

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Solution

The fourth proportional to 27,009.20, 37,257.72 and 15,829.04 is: 21,835.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,009.20 : 37,257.72 = 15,829.04 : x
  2. Step 2: Convert to fraction form
    27,009.20/37,257.72 = 15,829.04/x
  3. Step 3: Cross multiply
    27,009.20x = 37,257.72 × 15,829.04
  4. Step 4: Simplify right side
    27,009.20x = 589,753,940.19
  5. Step 5: Solve for x
    x = 589,753,940.19/27,009.20
  6. Step 6: Final answer
    x = 21,835.30

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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.