Home / 28,553.54-42,830.30-8,832.26

Finding the Fourth Proportional to 28,553.54, 42,830.30 and 8,832.26

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Solution

The fourth proportional to 28,553.54, 42,830.30 and 8,832.26 is: 13,248.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,553.54 : 42,830.30 = 8,832.26 : x
  2. Step 2: Convert to fraction form
    28,553.54/42,830.30 = 8,832.26/x
  3. Step 3: Cross multiply
    28,553.54x = 42,830.30 × 8,832.26
  4. Step 4: Simplify right side
    28,553.54x = 378,288,474.63
  5. Step 5: Solve for x
    x = 378,288,474.63/28,553.54
  6. Step 6: Final answer
    x = 13,248.39

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1.5x scale

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.