Home / 23,311.76-32,171.24-13,240.20

Finding the Fourth Proportional to 23,311.76, 32,171.24 and 13,240.20

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Solution

The fourth proportional to 23,311.76, 32,171.24 and 13,240.20 is: 18,272.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,311.76 : 32,171.24 = 13,240.20 : x
  2. Step 2: Convert to fraction form
    23,311.76/32,171.24 = 13,240.20/x
  3. Step 3: Cross multiply
    23,311.76x = 32,171.24 × 13,240.20
  4. Step 4: Simplify right side
    23,311.76x = 425,953,651.85
  5. Step 5: Solve for x
    x = 425,953,651.85/23,311.76
  6. Step 6: Final answer
    x = 18,272.05

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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.