Home / 27,931.30-41,884.80-9,204.10

Finding the Fourth Proportional to 27,931.30, 41,884.80 and 9,204.10

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Solution

The fourth proportional to 27,931.30, 41,884.80 and 9,204.10 is: 13,802.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,931.30 : 41,884.80 = 9,204.10 : x
  2. Step 2: Convert to fraction form
    27,931.30/41,884.80 = 9,204.10/x
  3. Step 3: Cross multiply
    27,931.30x = 41,884.80 × 9,204.10
  4. Step 4: Simplify right side
    27,931.30x = 385,511,887.68
  5. Step 5: Solve for x
    x = 385,511,887.68/27,931.30
  6. Step 6: Final answer
    x = 13,802.15

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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.