Home / 28,033.12-38,672.94-18,607.96

Finding the Fourth Proportional to 28,033.12, 38,672.94 and 18,607.96

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Solution

The fourth proportional to 28,033.12, 38,672.94 and 18,607.96 is: 25,670.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,033.12 : 38,672.94 = 18,607.96 : x
  2. Step 2: Convert to fraction form
    28,033.12/38,672.94 = 18,607.96/x
  3. Step 3: Cross multiply
    28,033.12x = 38,672.94 × 18,607.96
  4. Step 4: Simplify right side
    28,033.12x = 719,624,520.60
  5. Step 5: Solve for x
    x = 719,624,520.60/28,033.12
  6. Step 6: Final answer
    x = 25,670.51

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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.