Home / 21,190.38-31,773.26-8,035.57

Finding the Fourth Proportional to 21,190.38, 31,773.26 and 8,035.57

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Solution

The fourth proportional to 21,190.38, 31,773.26 and 8,035.57 is: 12,048.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,190.38 : 31,773.26 = 8,035.57 : x
  2. Step 2: Convert to fraction form
    21,190.38/31,773.26 = 8,035.57/x
  3. Step 3: Cross multiply
    21,190.38x = 31,773.26 × 8,035.57
  4. Step 4: Simplify right side
    21,190.38x = 255,316,254.86
  5. Step 5: Solve for x
    x = 255,316,254.86/21,190.38
  6. Step 6: Final answer
    x = 12,048.69

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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.