Home / 28,250.69-42,376.37-8,530.11

Finding the Fourth Proportional to 28,250.69, 42,376.37 and 8,530.11

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Solution

The fourth proportional to 28,250.69, 42,376.37 and 8,530.11 is: 12,795.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,250.69 : 42,376.37 = 8,530.11 : x
  2. Step 2: Convert to fraction form
    28,250.69/42,376.37 = 8,530.11/x
  3. Step 3: Cross multiply
    28,250.69x = 42,376.37 × 8,530.11
  4. Step 4: Simplify right side
    28,250.69x = 361,475,054.85
  5. Step 5: Solve for x
    x = 361,475,054.85/28,250.69
  6. Step 6: Final answer
    x = 12,795.27

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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.