Home / 28,463.78-39,291.09-25,474.42

Finding the Fourth Proportional to 28,463.78, 39,291.09 and 25,474.42

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Solution

The fourth proportional to 28,463.78, 39,291.09 and 25,474.42 is: 35,164.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,463.78 : 39,291.09 = 25,474.42 : x
  2. Step 2: Convert to fraction form
    28,463.78/39,291.09 = 25,474.42/x
  3. Step 3: Cross multiply
    28,463.78x = 39,291.09 × 25,474.42
  4. Step 4: Simplify right side
    28,463.78x = 1,000,917,405.09
  5. Step 5: Solve for x
    x = 1,000,917,405.09/28,463.78
  6. Step 6: Final answer
    x = 35,164.61

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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.