Home / 28,984.84-43,456-9,252.04

Finding the Fourth Proportional to 28,984.84, 43,456 and 9,252.04

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Solution

The fourth proportional to 28,984.84, 43,456 and 9,252.04 is: 13,871.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,984.84 : 43,456 = 9,252.04 : x
  2. Step 2: Convert to fraction form
    28,984.84/43,456 = 9,252.04/x
  3. Step 3: Cross multiply
    28,984.84x = 43,456 × 9,252.04
  4. Step 4: Simplify right side
    28,984.84x = 402,056,650.24
  5. Step 5: Solve for x
    x = 402,056,650.24/28,984.84
  6. Step 6: Final answer
    x = 13,871.27

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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.