Home / 27,286.72-37,653.52-15,347.68

Finding the Fourth Proportional to 27,286.72, 37,653.52 and 15,347.68

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Solution

The fourth proportional to 27,286.72, 37,653.52 and 15,347.68 is: 21,178.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,286.72 : 37,653.52 = 15,347.68 : x
  2. Step 2: Convert to fraction form
    27,286.72/37,653.52 = 15,347.68/x
  3. Step 3: Cross multiply
    27,286.72x = 37,653.52 × 15,347.68
  4. Step 4: Simplify right side
    27,286.72x = 577,894,175.83
  5. Step 5: Solve for x
    x = 577,894,175.83/27,286.72
  6. Step 6: Final answer
    x = 21,178.59

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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.