Home / 23,283.21-32,130.82-12,672.91

Finding the Fourth Proportional to 23,283.21, 32,130.82 and 12,672.91

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Solution

The fourth proportional to 23,283.21, 32,130.82 and 12,672.91 is: 17,488.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,283.21 : 32,130.82 = 12,672.91 : x
  2. Step 2: Convert to fraction form
    23,283.21/32,130.82 = 12,672.91/x
  3. Step 3: Cross multiply
    23,283.21x = 32,130.82 × 12,672.91
  4. Step 4: Simplify right side
    23,283.21x = 407,190,990.09
  5. Step 5: Solve for x
    x = 407,190,990.09/23,283.21
  6. Step 6: Final answer
    x = 17,488.61

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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.