Home / 27,886.23-38,480.61-15,947.23

Finding the Fourth Proportional to 27,886.23, 38,480.61 and 15,947.23

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Solution

The fourth proportional to 27,886.23, 38,480.61 and 15,947.23 is: 22,005.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,886.23 : 38,480.61 = 15,947.23 : x
  2. Step 2: Convert to fraction form
    27,886.23/38,480.61 = 15,947.23/x
  3. Step 3: Cross multiply
    27,886.23x = 38,480.61 × 15,947.23
  4. Step 4: Simplify right side
    27,886.23x = 613,659,138.21
  5. Step 5: Solve for x
    x = 613,659,138.21/27,886.23
  6. Step 6: Final answer
    x = 22,005.81

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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.