Home / 28,835.22-43,266.66-15,687.59

Finding the Fourth Proportional to 28,835.22, 43,266.66 and 15,687.59

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Solution

The fourth proportional to 28,835.22, 43,266.66 and 15,687.59 is: 23,538.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,835.22 : 43,266.66 = 15,687.59 : x
  2. Step 2: Convert to fraction form
    28,835.22/43,266.66 = 15,687.59/x
  3. Step 3: Cross multiply
    28,835.22x = 43,266.66 × 15,687.59
  4. Step 4: Simplify right side
    28,835.22x = 678,749,590.96
  5. Step 5: Solve for x
    x = 678,749,590.96/28,835.22
  6. Step 6: Final answer
    x = 23,538.90

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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.