Home / 43,899.26-65,867.12-28,122.08

Finding the Fourth Proportional to 43,899.26, 65,867.12 and 28,122.08

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Solution

The fourth proportional to 43,899.26, 65,867.12 and 28,122.08 is: 42,194.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,899.26 : 65,867.12 = 28,122.08 : x
  2. Step 2: Convert to fraction form
    43,899.26/65,867.12 = 28,122.08/x
  3. Step 3: Cross multiply
    43,899.26x = 65,867.12 × 28,122.08
  4. Step 4: Simplify right side
    43,899.26x = 1,852,319,948.06
  5. Step 5: Solve for x
    x = 1,852,319,948.06/43,899.26
  6. Step 6: Final answer
    x = 42,194.79

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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.