Home / 28,302-42,459.14-8,582.04

Finding the Fourth Proportional to 28,302, 42,459.14 and 8,582.04

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Solution

The fourth proportional to 28,302, 42,459.14 and 8,582.04 is: 12,874.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,302 : 42,459.14 = 8,582.04 : x
  2. Step 2: Convert to fraction form
    28,302/42,459.14 = 8,582.04/x
  3. Step 3: Cross multiply
    28,302x = 42,459.14 × 8,582.04
  4. Step 4: Simplify right side
    28,302x = 364,385,994.94
  5. Step 5: Solve for x
    x = 364,385,994.94/28,302
  6. Step 6: Final answer
    x = 12,874.92

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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.