Home / 27,929.13-41,882.76-10,389.39

Finding the Fourth Proportional to 27,929.13, 41,882.76 and 10,389.39

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Solution

The fourth proportional to 27,929.13, 41,882.76 and 10,389.39 is: 15,580.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,929.13 : 41,882.76 = 10,389.39 : x
  2. Step 2: Convert to fraction form
    27,929.13/41,882.76 = 10,389.39/x
  3. Step 3: Cross multiply
    27,929.13x = 41,882.76 × 10,389.39
  4. Step 4: Simplify right side
    27,929.13x = 435,136,327.92
  5. Step 5: Solve for x
    x = 435,136,327.92/27,929.13
  6. Step 6: Final answer
    x = 15,580.02

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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.