Home / 25,558.19-38,353.69-12,403.39

Finding the Fourth Proportional to 25,558.19, 38,353.69 and 12,403.39

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Solution

The fourth proportional to 25,558.19, 38,353.69 and 12,403.39 is: 18,613.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,558.19 : 38,353.69 = 12,403.39 : x
  2. Step 2: Convert to fraction form
    25,558.19/38,353.69 = 12,403.39/x
  3. Step 3: Cross multiply
    25,558.19x = 38,353.69 × 12,403.39
  4. Step 4: Simplify right side
    25,558.19x = 475,715,648.12
  5. Step 5: Solve for x
    x = 475,715,648.12/25,558.19
  6. Step 6: Final answer
    x = 18,613.04

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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.