Home / 21,475.41-32,204.19-8,320.20

Finding the Fourth Proportional to 21,475.41, 32,204.19 and 8,320.20

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Solution

The fourth proportional to 21,475.41, 32,204.19 and 8,320.20 is: 12,476.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,475.41 : 32,204.19 = 8,320.20 : x
  2. Step 2: Convert to fraction form
    21,475.41/32,204.19 = 8,320.20/x
  3. Step 3: Cross multiply
    21,475.41x = 32,204.19 × 8,320.20
  4. Step 4: Simplify right side
    21,475.41x = 267,945,301.64
  5. Step 5: Solve for x
    x = 267,945,301.64/21,475.41
  6. Step 6: Final answer
    x = 12,476.84

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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.