Home / 38,402.61-57,595.26-13,778.61

Finding the Fourth Proportional to 38,402.61, 57,595.26 and 13,778.61

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Solution

The fourth proportional to 38,402.61, 57,595.26 and 13,778.61 is: 20,664.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,402.61 : 57,595.26 = 13,778.61 : x
  2. Step 2: Convert to fraction form
    38,402.61/57,595.26 = 13,778.61/x
  3. Step 3: Cross multiply
    38,402.61x = 57,595.26 × 13,778.61
  4. Step 4: Simplify right side
    38,402.61x = 793,582,625.39
  5. Step 5: Solve for x
    x = 793,582,625.39/38,402.61
  6. Step 6: Final answer
    x = 20,664.81

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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.