Home / 28,739.33-43,104.13-12,101.93

Finding the Fourth Proportional to 28,739.33, 43,104.13 and 12,101.93

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Solution

The fourth proportional to 28,739.33, 43,104.13 and 12,101.93 is: 18,150.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,739.33 : 43,104.13 = 12,101.93 : x
  2. Step 2: Convert to fraction form
    28,739.33/43,104.13 = 12,101.93/x
  3. Step 3: Cross multiply
    28,739.33x = 43,104.13 × 12,101.93
  4. Step 4: Simplify right side
    28,739.33x = 521,642,918.20
  5. Step 5: Solve for x
    x = 521,642,918.20/28,739.33
  6. Step 6: Final answer
    x = 18,150.84

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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.