Home / 28,883.31-39,837.64-18,262.69

Finding the Fourth Proportional to 28,883.31, 39,837.64 and 18,262.69

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Solution

The fourth proportional to 28,883.31, 39,837.64 and 18,262.69 is: 25,189.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,883.31 : 39,837.64 = 18,262.69 : x
  2. Step 2: Convert to fraction form
    28,883.31/39,837.64 = 18,262.69/x
  3. Step 3: Cross multiply
    28,883.31x = 39,837.64 × 18,262.69
  4. Step 4: Simplify right side
    28,883.31x = 727,542,358.64
  5. Step 5: Solve for x
    x = 727,542,358.64/28,883.31
  6. Step 6: Final answer
    x = 25,189.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.