Home / 21,619.52-29,834.32-12,059.04

Finding the Fourth Proportional to 21,619.52, 29,834.32 and 12,059.04

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Solution

The fourth proportional to 21,619.52, 29,834.32 and 12,059.04 is: 16,641.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,619.52 : 29,834.32 = 12,059.04 : x
  2. Step 2: Convert to fraction form
    21,619.52/29,834.32 = 12,059.04/x
  3. Step 3: Cross multiply
    21,619.52x = 29,834.32 × 12,059.04
  4. Step 4: Simplify right side
    21,619.52x = 359,773,258.25
  5. Step 5: Solve for x
    x = 359,773,258.25/21,619.52
  6. Step 6: Final answer
    x = 16,641.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.