Home / 27,999.10-41,982.45-10,470.70

Finding the Fourth Proportional to 27,999.10, 41,982.45 and 10,470.70

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Solution

The fourth proportional to 27,999.10, 41,982.45 and 10,470.70 is: 15,699.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,999.10 : 41,982.45 = 10,470.70 : x
  2. Step 2: Convert to fraction form
    27,999.10/41,982.45 = 10,470.70/x
  3. Step 3: Cross multiply
    27,999.10x = 41,982.45 × 10,470.70
  4. Step 4: Simplify right side
    27,999.10x = 439,585,639.22
  5. Step 5: Solve for x
    x = 439,585,639.22/27,999.10
  6. Step 6: Final answer
    x = 15,699.99

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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.