Home / 23,283.40-32,129.30-12,672.80

Finding the Fourth Proportional to 23,283.40, 32,129.30 and 12,672.80

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Solution

The fourth proportional to 23,283.40, 32,129.30 and 12,672.80 is: 17,487.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,283.40 : 32,129.30 = 12,672.80 : x
  2. Step 2: Convert to fraction form
    23,283.40/32,129.30 = 12,672.80/x
  3. Step 3: Cross multiply
    23,283.40x = 32,129.30 × 12,672.80
  4. Step 4: Simplify right side
    23,283.40x = 407,168,193.04
  5. Step 5: Solve for x
    x = 407,168,193.04/23,283.40
  6. Step 6: Final answer
    x = 17,487.49

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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.