Home / 27,179.51-37,509.36-15,243.56

Finding the Fourth Proportional to 27,179.51, 37,509.36 and 15,243.56

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Solution

The fourth proportional to 27,179.51, 37,509.36 and 15,243.56 is: 21,037.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,179.51 : 37,509.36 = 15,243.56 : x
  2. Step 2: Convert to fraction form
    27,179.51/37,509.36 = 15,243.56/x
  3. Step 3: Cross multiply
    27,179.51x = 37,509.36 × 15,243.56
  4. Step 4: Simplify right side
    27,179.51x = 571,775,992.17
  5. Step 5: Solve for x
    x = 571,775,992.17/27,179.51
  6. Step 6: Final answer
    x = 21,037.02

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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.