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Finding the Fourth Proportional to 23,246.31, 32,080.05 and 12,635.94

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Solution

The fourth proportional to 23,246.31, 32,080.05 and 12,635.94 is: 17,437.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,246.31 : 32,080.05 = 12,635.94 : x
  2. Step 2: Convert to fraction form
    23,246.31/32,080.05 = 12,635.94/x
  3. Step 3: Cross multiply
    23,246.31x = 32,080.05 × 12,635.94
  4. Step 4: Simplify right side
    23,246.31x = 405,361,587.00
  5. Step 5: Solve for x
    x = 405,361,587.00/23,246.31
  6. Step 6: Final answer
    x = 17,437.67

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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.