Home / 21,327.75-32,003.15-10,383.75

Finding the Fourth Proportional to 21,327.75, 32,003.15 and 10,383.75

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Solution

The fourth proportional to 21,327.75, 32,003.15 and 10,383.75 is: 15,581.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,327.75 : 32,003.15 = 10,383.75 : x
  2. Step 2: Convert to fraction form
    21,327.75/32,003.15 = 10,383.75/x
  3. Step 3: Cross multiply
    21,327.75x = 32,003.15 × 10,383.75
  4. Step 4: Simplify right side
    21,327.75x = 332,312,656.89
  5. Step 5: Solve for x
    x = 332,312,656.89/21,327.75
  6. Step 6: Final answer
    x = 15,581.23

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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.