Home / 20,383.72-30,575.66-5,592.80

Finding the Fourth Proportional to 20,383.72, 30,575.66 and 5,592.80

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Solution

The fourth proportional to 20,383.72, 30,575.66 and 5,592.80 is: 8,389.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,383.72 : 30,575.66 = 5,592.80 : x
  2. Step 2: Convert to fraction form
    20,383.72/30,575.66 = 5,592.80/x
  3. Step 3: Cross multiply
    20,383.72x = 30,575.66 × 5,592.80
  4. Step 4: Simplify right side
    20,383.72x = 171,003,551.25
  5. Step 5: Solve for x
    x = 171,003,551.25/20,383.72
  6. Step 6: Final answer
    x = 8,389.22

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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.