Home / 15,643.26-23,450.28-5,779.92

Finding the Fourth Proportional to 15,643.26, 23,450.28 and 5,779.92

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Solution

The fourth proportional to 15,643.26, 23,450.28 and 5,779.92 is: 8,664.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,643.26 : 23,450.28 = 5,779.92 : x
  2. Step 2: Convert to fraction form
    15,643.26/23,450.28 = 5,779.92/x
  3. Step 3: Cross multiply
    15,643.26x = 23,450.28 × 5,779.92
  4. Step 4: Simplify right side
    15,643.26x = 135,540,742.38
  5. Step 5: Solve for x
    x = 135,540,742.38/15,643.26
  6. Step 6: Final answer
    x = 8,664.48

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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.