Home / 28,271.27-42,400.04-8,551.41

Finding the Fourth Proportional to 28,271.27, 42,400.04 and 8,551.41

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Solution

The fourth proportional to 28,271.27, 42,400.04 and 8,551.41 is: 12,825.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,271.27 : 42,400.04 = 8,551.41 : x
  2. Step 2: Convert to fraction form
    28,271.27/42,400.04 = 8,551.41/x
  3. Step 3: Cross multiply
    28,271.27x = 42,400.04 × 8,551.41
  4. Step 4: Simplify right side
    28,271.27x = 362,580,083.30
  5. Step 5: Solve for x
    x = 362,580,083.30/28,271.27
  6. Step 6: Final answer
    x = 12,825.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.