Home / 27,308.24-37,685.16-15,371.72

Finding the Fourth Proportional to 27,308.24, 37,685.16 and 15,371.72

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Solution

The fourth proportional to 27,308.24, 37,685.16 and 15,371.72 is: 21,212.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,308.24 : 37,685.16 = 15,371.72 : x
  2. Step 2: Convert to fraction form
    27,308.24/37,685.16 = 15,371.72/x
  3. Step 3: Cross multiply
    27,308.24x = 37,685.16 × 15,371.72
  4. Step 4: Simplify right side
    27,308.24x = 579,285,727.68
  5. Step 5: Solve for x
    x = 579,285,727.68/27,308.24
  6. Step 6: Final answer
    x = 21,212.85

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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.