Home / 21,584.85-32,304.12-13,270.15

Finding the Fourth Proportional to 21,584.85, 32,304.12 and 13,270.15

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Solution

The fourth proportional to 21,584.85, 32,304.12 and 13,270.15 is: 19,860.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,584.85 : 32,304.12 = 13,270.15 : x
  2. Step 2: Convert to fraction form
    21,584.85/32,304.12 = 13,270.15/x
  3. Step 3: Cross multiply
    21,584.85x = 32,304.12 × 13,270.15
  4. Step 4: Simplify right side
    21,584.85x = 428,680,518.02
  5. Step 5: Solve for x
    x = 428,680,518.02/21,584.85
  6. Step 6: Final answer
    x = 19,860.25

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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.