Home / 27,290.09-37,660.26-15,353.44

Finding the Fourth Proportional to 27,290.09, 37,660.26 and 15,353.44

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Solution

The fourth proportional to 27,290.09, 37,660.26 and 15,353.44 is: 21,187.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,290.09 : 37,660.26 = 15,353.44 : x
  2. Step 2: Convert to fraction form
    27,290.09/37,660.26 = 15,353.44/x
  3. Step 3: Cross multiply
    27,290.09x = 37,660.26 × 15,353.44
  4. Step 4: Simplify right side
    27,290.09x = 578,214,448.14
  5. Step 5: Solve for x
    x = 578,214,448.14/27,290.09
  6. Step 6: Final answer
    x = 21,187.71

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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.