Home / 27,877.14-38,502.39-18,359.56

Finding the Fourth Proportional to 27,877.14, 38,502.39 and 18,359.56

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Solution

The fourth proportional to 27,877.14, 38,502.39 and 18,359.56 is: 25,357.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,877.14 : 38,502.39 = 18,359.56 : x
  2. Step 2: Convert to fraction form
    27,877.14/38,502.39 = 18,359.56/x
  3. Step 3: Cross multiply
    27,877.14x = 38,502.39 × 18,359.56
  4. Step 4: Simplify right side
    27,877.14x = 706,886,939.35
  5. Step 5: Solve for x
    x = 706,886,939.35/27,877.14
  6. Step 6: Final answer
    x = 25,357.23

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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.