Home / 21,734.62-32,515.35-18,203.98

Finding the Fourth Proportional to 21,734.62, 32,515.35 and 18,203.98

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Solution

The fourth proportional to 21,734.62, 32,515.35 and 18,203.98 is: 27,233.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,734.62 : 32,515.35 = 18,203.98 : x
  2. Step 2: Convert to fraction form
    21,734.62/32,515.35 = 18,203.98/x
  3. Step 3: Cross multiply
    21,734.62x = 32,515.35 × 18,203.98
  4. Step 4: Simplify right side
    21,734.62x = 591,908,781.09
  5. Step 5: Solve for x
    x = 591,908,781.09/21,734.62
  6. Step 6: Final answer
    x = 27,233.45

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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.