Home / 54,686.40-82,029.60-15,246.28

Finding the Fourth Proportional to 54,686.40, 82,029.60 and 15,246.28

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Solution

The fourth proportional to 54,686.40, 82,029.60 and 15,246.28 is: 22,869.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,686.40 : 82,029.60 = 15,246.28 : x
  2. Step 2: Convert to fraction form
    54,686.40/82,029.60 = 15,246.28/x
  3. Step 3: Cross multiply
    54,686.40x = 82,029.60 × 15,246.28
  4. Step 4: Simplify right side
    54,686.40x = 1,250,646,249.89
  5. Step 5: Solve for x
    x = 1,250,646,249.89/54,686.40
  6. Step 6: Final answer
    x = 22,869.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.