Home / 28,523.77-42,796.61-11,879.35

Finding the Fourth Proportional to 28,523.77, 42,796.61 and 11,879.35

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Solution

The fourth proportional to 28,523.77, 42,796.61 and 11,879.35 is: 17,823.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,523.77 : 42,796.61 = 11,879.35 : x
  2. Step 2: Convert to fraction form
    28,523.77/42,796.61 = 11,879.35/x
  3. Step 3: Cross multiply
    28,523.77x = 42,796.61 × 11,879.35
  4. Step 4: Simplify right side
    28,523.77x = 508,395,909.00
  5. Step 5: Solve for x
    x = 508,395,909.00/28,523.77
  6. Step 6: Final answer
    x = 17,823.59

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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.