Home / 27,173.72-37,499.78-15,237.08

Finding the Fourth Proportional to 27,173.72, 37,499.78 and 15,237.08

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Solution

The fourth proportional to 27,173.72, 37,499.78 and 15,237.08 is: 21,027.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,173.72 : 37,499.78 = 15,237.08 : x
  2. Step 2: Convert to fraction form
    27,173.72/37,499.78 = 15,237.08/x
  3. Step 3: Cross multiply
    27,173.72x = 37,499.78 × 15,237.08
  4. Step 4: Simplify right side
    27,173.72x = 571,387,147.84
  5. Step 5: Solve for x
    x = 571,387,147.84/27,173.72
  6. Step 6: Final answer
    x = 21,027.20

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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.