Home / 23,742.28-32,762.82-13,131.64

Finding the Fourth Proportional to 23,742.28, 32,762.82 and 13,131.64

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Solution

The fourth proportional to 23,742.28, 32,762.82 and 13,131.64 is: 18,120.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,742.28 : 32,762.82 = 13,131.64 : x
  2. Step 2: Convert to fraction form
    23,742.28/32,762.82 = 13,131.64/x
  3. Step 3: Cross multiply
    23,742.28x = 32,762.82 × 13,131.64
  4. Step 4: Simplify right side
    23,742.28x = 430,229,557.62
  5. Step 5: Solve for x
    x = 430,229,557.62/23,742.28
  6. Step 6: Final answer
    x = 18,120.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.