Home / 15,420.66-23,131.05-3,733.89

Finding the Fourth Proportional to 15,420.66, 23,131.05 and 3,733.89

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Solution

The fourth proportional to 15,420.66, 23,131.05 and 3,733.89 is: 5,600.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,420.66 : 23,131.05 = 3,733.89 : x
  2. Step 2: Convert to fraction form
    15,420.66/23,131.05 = 3,733.89/x
  3. Step 3: Cross multiply
    15,420.66x = 23,131.05 × 3,733.89
  4. Step 4: Simplify right side
    15,420.66x = 86,368,796.28
  5. Step 5: Solve for x
    x = 86,368,796.28/15,420.66
  6. Step 6: Final answer
    x = 5,600.85

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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.