Home / 27,725.31-38,246.72-18,769.68

Finding the Fourth Proportional to 27,725.31, 38,246.72 and 18,769.68

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Solution

The fourth proportional to 27,725.31, 38,246.72 and 18,769.68 is: 25,892.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,725.31 : 38,246.72 = 18,769.68 : x
  2. Step 2: Convert to fraction form
    27,725.31/38,246.72 = 18,769.68/x
  3. Step 3: Cross multiply
    27,725.31x = 38,246.72 × 18,769.68
  4. Step 4: Simplify right side
    27,725.31x = 717,878,601.60
  5. Step 5: Solve for x
    x = 717,878,601.60/27,725.31
  6. Step 6: Final answer
    x = 25,892.54

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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.