Home / 19,817.22-29,725.84-18,505.02

Finding the Fourth Proportional to 19,817.22, 29,725.84 and 18,505.02

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Solution

The fourth proportional to 19,817.22, 29,725.84 and 18,505.02 is: 27,757.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,817.22 : 29,725.84 = 18,505.02 : x
  2. Step 2: Convert to fraction form
    19,817.22/29,725.84 = 18,505.02/x
  3. Step 3: Cross multiply
    19,817.22x = 29,725.84 × 18,505.02
  4. Step 4: Simplify right side
    19,817.22x = 550,077,263.72
  5. Step 5: Solve for x
    x = 550,077,263.72/19,817.22
  6. Step 6: Final answer
    x = 27,757.54

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1.5x scale

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.