Home / 27,155.36-37,474.06-15,218.68

Finding the Fourth Proportional to 27,155.36, 37,474.06 and 15,218.68

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Solution

The fourth proportional to 27,155.36, 37,474.06 and 15,218.68 is: 21,001.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,155.36 : 37,474.06 = 15,218.68 : x
  2. Step 2: Convert to fraction form
    27,155.36/37,474.06 = 15,218.68/x
  3. Step 3: Cross multiply
    27,155.36x = 37,474.06 × 15,218.68
  4. Step 4: Simplify right side
    27,155.36x = 570,305,727.44
  5. Step 5: Solve for x
    x = 570,305,727.44/27,155.36
  6. Step 6: Final answer
    x = 21,001.59

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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.