Home / 28,135.48-42,194.71-9,410.71

Finding the Fourth Proportional to 28,135.48, 42,194.71 and 9,410.71

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Solution

The fourth proportional to 28,135.48, 42,194.71 and 9,410.71 is: 14,113.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,135.48 : 42,194.71 = 9,410.71 : x
  2. Step 2: Convert to fraction form
    28,135.48/42,194.71 = 9,410.71/x
  3. Step 3: Cross multiply
    28,135.48x = 42,194.71 × 9,410.71
  4. Step 4: Simplify right side
    28,135.48x = 397,082,179.34
  5. Step 5: Solve for x
    x = 397,082,179.34/28,135.48
  6. Step 6: Final answer
    x = 14,113.22

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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.