Home / 25,652.19-38,536.68-18,558.32

Finding the Fourth Proportional to 25,652.19, 38,536.68 and 18,558.32

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Solution

The fourth proportional to 25,652.19, 38,536.68 and 18,558.32 is: 27,879.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,652.19 : 38,536.68 = 18,558.32 : x
  2. Step 2: Convert to fraction form
    25,652.19/38,536.68 = 18,558.32/x
  3. Step 3: Cross multiply
    25,652.19x = 38,536.68 × 18,558.32
  4. Step 4: Simplify right side
    25,652.19x = 715,175,846.49
  5. Step 5: Solve for x
    x = 715,175,846.49/25,652.19
  6. Step 6: Final answer
    x = 27,879.72

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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.