Home / 29,888.28-41,273.82-18,729.72

Finding the Fourth Proportional to 29,888.28, 41,273.82 and 18,729.72

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Solution

The fourth proportional to 29,888.28, 41,273.82 and 18,729.72 is: 25,864.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,888.28 : 41,273.82 = 18,729.72 : x
  2. Step 2: Convert to fraction form
    29,888.28/41,273.82 = 18,729.72/x
  3. Step 3: Cross multiply
    29,888.28x = 41,273.82 × 18,729.72
  4. Step 4: Simplify right side
    29,888.28x = 773,047,091.93
  5. Step 5: Solve for x
    x = 773,047,091.93/29,888.28
  6. Step 6: Final answer
    x = 25,864.56

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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.