Home / 23,339.66-32,209.14-12,729.68

Finding the Fourth Proportional to 23,339.66, 32,209.14 and 12,729.68

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Solution

The fourth proportional to 23,339.66, 32,209.14 and 12,729.68 is: 17,567.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,339.66 : 32,209.14 = 12,729.68 : x
  2. Step 2: Convert to fraction form
    23,339.66/32,209.14 = 12,729.68/x
  3. Step 3: Cross multiply
    23,339.66x = 32,209.14 × 12,729.68
  4. Step 4: Simplify right side
    23,339.66x = 410,012,045.28
  5. Step 5: Solve for x
    x = 410,012,045.28/23,339.66
  6. Step 6: Final answer
    x = 17,567.18

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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.