Home / 28,559.26-42,840.48-8,836.28

Finding the Fourth Proportional to 28,559.26, 42,840.48 and 8,836.28

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Solution

The fourth proportional to 28,559.26, 42,840.48 and 8,836.28 is: 13,254.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,559.26 : 42,840.48 = 8,836.28 : x
  2. Step 2: Convert to fraction form
    28,559.26/42,840.48 = 8,836.28/x
  3. Step 3: Cross multiply
    28,559.26x = 42,840.48 × 8,836.28
  4. Step 4: Simplify right side
    28,559.26x = 378,550,383.53
  5. Step 5: Solve for x
    x = 378,550,383.53/28,559.26
  6. Step 6: Final answer
    x = 13,254.91

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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.