Home / 27,179.58-37,507.20-15,242.64

Finding the Fourth Proportional to 27,179.58, 37,507.20 and 15,242.64

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Solution

The fourth proportional to 27,179.58, 37,507.20 and 15,242.64 is: 21,034.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,179.58 : 37,507.20 = 15,242.64 : x
  2. Step 2: Convert to fraction form
    27,179.58/37,507.20 = 15,242.64/x
  3. Step 3: Cross multiply
    27,179.58x = 37,507.20 × 15,242.64
  4. Step 4: Simplify right side
    27,179.58x = 571,708,747.01
  5. Step 5: Solve for x
    x = 571,708,747.01/27,179.58
  6. Step 6: Final answer
    x = 21,034.50

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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.