Home / 28,279.35-42,418.58-6,932.27

Finding the Fourth Proportional to 28,279.35, 42,418.58 and 6,932.27

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Solution

The fourth proportional to 28,279.35, 42,418.58 and 6,932.27 is: 10,398.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,279.35 : 42,418.58 = 6,932.27 : x
  2. Step 2: Convert to fraction form
    28,279.35/42,418.58 = 6,932.27/x
  3. Step 3: Cross multiply
    28,279.35x = 42,418.58 × 6,932.27
  4. Step 4: Simplify right side
    28,279.35x = 294,056,802.82
  5. Step 5: Solve for x
    x = 294,056,802.82/28,279.35
  6. Step 6: Final answer
    x = 10,398.29

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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.