Home / 19,532.32-29,289.71-11,638.55

Finding the Fourth Proportional to 19,532.32, 29,289.71 and 11,638.55

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Solution

The fourth proportional to 19,532.32, 29,289.71 and 11,638.55 is: 17,452.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,532.32 : 29,289.71 = 11,638.55 : x
  2. Step 2: Convert to fraction form
    19,532.32/29,289.71 = 11,638.55/x
  3. Step 3: Cross multiply
    19,532.32x = 29,289.71 × 11,638.55
  4. Step 4: Simplify right side
    19,532.32x = 340,889,856.64
  5. Step 5: Solve for x
    x = 340,889,856.64/19,532.32
  6. Step 6: Final answer
    x = 17,452.61

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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.