Home / 27,929.78-41,914.65-10,160.40

Finding the Fourth Proportional to 27,929.78, 41,914.65 and 10,160.40

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Solution

The fourth proportional to 27,929.78, 41,914.65 and 10,160.40 is: 15,247.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,929.78 : 41,914.65 = 10,160.40 : x
  2. Step 2: Convert to fraction form
    27,929.78/41,914.65 = 10,160.40/x
  3. Step 3: Cross multiply
    27,929.78x = 41,914.65 × 10,160.40
  4. Step 4: Simplify right side
    27,929.78x = 425,869,559.06
  5. Step 5: Solve for x
    x = 425,869,559.06/27,929.78
  6. Step 6: Final answer
    x = 15,247.87

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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.