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Finding the Fourth Proportional to 23,220, 32,043.32 and 12,609.71

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Solution

The fourth proportional to 23,220, 32,043.32 and 12,609.71 is: 17,401.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,220 : 32,043.32 = 12,609.71 : x
  2. Step 2: Convert to fraction form
    23,220/32,043.32 = 12,609.71/x
  3. Step 3: Cross multiply
    23,220x = 32,043.32 × 12,609.71
  4. Step 4: Simplify right side
    23,220x = 404,056,909.59
  5. Step 5: Solve for x
    x = 404,056,909.59/23,220
  6. Step 6: Final answer
    x = 17,401.25

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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.