Home / 27,892.32-41,829.84-9,420

Finding the Fourth Proportional to 27,892.32, 41,829.84 and 9,420

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Solution

The fourth proportional to 27,892.32, 41,829.84 and 9,420 is: 14,127.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,892.32 : 41,829.84 = 9,420 : x
  2. Step 2: Convert to fraction form
    27,892.32/41,829.84 = 9,420/x
  3. Step 3: Cross multiply
    27,892.32x = 41,829.84 × 9,420
  4. Step 4: Simplify right side
    27,892.32x = 394,037,092.80
  5. Step 5: Solve for x
    x = 394,037,092.80/27,892.32
  6. Step 6: Final answer
    x = 14,127.08

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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.