Home / 27,489.60-41,207.04-15,779.52

Finding the Fourth Proportional to 27,489.60, 41,207.04 and 15,779.52

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Solution

The fourth proportional to 27,489.60, 41,207.04 and 15,779.52 is: 23,653.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,489.60 : 41,207.04 = 15,779.52 : x
  2. Step 2: Convert to fraction form
    27,489.60/41,207.04 = 15,779.52/x
  3. Step 3: Cross multiply
    27,489.60x = 41,207.04 × 15,779.52
  4. Step 4: Simplify right side
    27,489.60x = 650,227,311.82
  5. Step 5: Solve for x
    x = 650,227,311.82/27,489.60
  6. Step 6: Final answer
    x = 23,653.57

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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.