Home / 22,000.56-32,775.60-20,942.64

Finding the Fourth Proportional to 22,000.56, 32,775.60 and 20,942.64

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Solution

The fourth proportional to 22,000.56, 32,775.60 and 20,942.64 is: 31,199.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,000.56 : 32,775.60 = 20,942.64 : x
  2. Step 2: Convert to fraction form
    22,000.56/32,775.60 = 20,942.64/x
  3. Step 3: Cross multiply
    22,000.56x = 32,775.60 × 20,942.64
  4. Step 4: Simplify right side
    22,000.56x = 686,407,591.58
  5. Step 5: Solve for x
    x = 686,407,591.58/22,000.56
  6. Step 6: Final answer
    x = 31,199.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.