Home / 23,340.11-32,209.34-12,729.80

Finding the Fourth Proportional to 23,340.11, 32,209.34 and 12,729.80

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Solution

The fourth proportional to 23,340.11, 32,209.34 and 12,729.80 is: 17,567.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,340.11 : 32,209.34 = 12,729.80 : x
  2. Step 2: Convert to fraction form
    23,340.11/32,209.34 = 12,729.80/x
  3. Step 3: Cross multiply
    23,340.11x = 32,209.34 × 12,729.80
  4. Step 4: Simplify right side
    23,340.11x = 410,018,473.21
  5. Step 5: Solve for x
    x = 410,018,473.21/23,340.11
  6. Step 6: Final answer
    x = 17,567.12

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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.