Home / 27,725.64-38,222.92-18,758.92

Finding the Fourth Proportional to 27,725.64, 38,222.92 and 18,758.92

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Solution

The fourth proportional to 27,725.64, 38,222.92 and 18,758.92 is: 25,861.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,725.64 : 38,222.92 = 18,758.92 : x
  2. Step 2: Convert to fraction form
    27,725.64/38,222.92 = 18,758.92/x
  3. Step 3: Cross multiply
    27,725.64x = 38,222.92 × 18,758.92
  4. Step 4: Simplify right side
    27,725.64x = 717,020,698.45
  5. Step 5: Solve for x
    x = 717,020,698.45/27,725.64
  6. Step 6: Final answer
    x = 25,861.29

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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.