Home / 28,328.08-42,473.88-10,788.34

Finding the Fourth Proportional to 28,328.08, 42,473.88 and 10,788.34

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Solution

The fourth proportional to 28,328.08, 42,473.88 and 10,788.34 is: 16,175.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,328.08 : 42,473.88 = 10,788.34 : x
  2. Step 2: Convert to fraction form
    28,328.08/42,473.88 = 10,788.34/x
  3. Step 3: Cross multiply
    28,328.08x = 42,473.88 × 10,788.34
  4. Step 4: Simplify right side
    28,328.08x = 458,222,658.56
  5. Step 5: Solve for x
    x = 458,222,658.56/28,328.08
  6. Step 6: Final answer
    x = 16,175.56

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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.