Home / 23,681.43-32,684.58-14,121.90

Finding the Fourth Proportional to 23,681.43, 32,684.58 and 14,121.90

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Solution

The fourth proportional to 23,681.43, 32,684.58 and 14,121.90 is: 19,490.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,681.43 : 32,684.58 = 14,121.90 : x
  2. Step 2: Convert to fraction form
    23,681.43/32,684.58 = 14,121.90/x
  3. Step 3: Cross multiply
    23,681.43x = 32,684.58 × 14,121.90
  4. Step 4: Simplify right side
    23,681.43x = 461,568,370.30
  5. Step 5: Solve for x
    x = 461,568,370.30/23,681.43
  6. Step 6: Final answer
    x = 19,490.73

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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.