Home / 23,391.59-32,280.62-12,781.22

Finding the Fourth Proportional to 23,391.59, 32,280.62 and 12,781.22

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Solution

The fourth proportional to 23,391.59, 32,280.62 and 12,781.22 is: 17,638.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,391.59 : 32,280.62 = 12,781.22 : x
  2. Step 2: Convert to fraction form
    23,391.59/32,280.62 = 12,781.22/x
  3. Step 3: Cross multiply
    23,391.59x = 32,280.62 × 12,781.22
  4. Step 4: Simplify right side
    23,391.59x = 412,585,705.96
  5. Step 5: Solve for x
    x = 412,585,705.96/23,391.59
  6. Step 6: Final answer
    x = 17,638.21

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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.