Home / 27,919.92-38,529.35-15,173.02

Finding the Fourth Proportional to 27,919.92, 38,529.35 and 15,173.02

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Solution

The fourth proportional to 27,919.92, 38,529.35 and 15,173.02 is: 20,938.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,919.92 : 38,529.35 = 15,173.02 : x
  2. Step 2: Convert to fraction form
    27,919.92/38,529.35 = 15,173.02/x
  3. Step 3: Cross multiply
    27,919.92x = 38,529.35 × 15,173.02
  4. Step 4: Simplify right side
    27,919.92x = 584,606,405.49
  5. Step 5: Solve for x
    x = 584,606,405.49/27,919.92
  6. Step 6: Final answer
    x = 20,938.68

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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.