Home / 21,334.40-32,001.60-13,577.60

Finding the Fourth Proportional to 21,334.40, 32,001.60 and 13,577.60

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Solution

The fourth proportional to 21,334.40, 32,001.60 and 13,577.60 is: 20,366.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,334.40 : 32,001.60 = 13,577.60 : x
  2. Step 2: Convert to fraction form
    21,334.40/32,001.60 = 13,577.60/x
  3. Step 3: Cross multiply
    21,334.40x = 32,001.60 × 13,577.60
  4. Step 4: Simplify right side
    21,334.40x = 434,504,924.16
  5. Step 5: Solve for x
    x = 434,504,924.16/21,334.40
  6. Step 6: Final answer
    x = 20,366.40

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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.