Home / 27,093.09-37,391.57-15,159.45

Finding the Fourth Proportional to 27,093.09, 37,391.57 and 15,159.45

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Solution

The fourth proportional to 27,093.09, 37,391.57 and 15,159.45 is: 20,921.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,093.09 : 37,391.57 = 15,159.45 : x
  2. Step 2: Convert to fraction form
    27,093.09/37,391.57 = 15,159.45/x
  3. Step 3: Cross multiply
    27,093.09x = 37,391.57 × 15,159.45
  4. Step 4: Simplify right side
    27,093.09x = 566,835,560.04
  5. Step 5: Solve for x
    x = 566,835,560.04/27,093.09
  6. Step 6: Final answer
    x = 20,921.78

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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.