Home / 27,858.65-41,748.68-15,384.29

Finding the Fourth Proportional to 27,858.65, 41,748.68 and 15,384.29

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Solution

The fourth proportional to 27,858.65, 41,748.68 and 15,384.29 is: 23,054.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,858.65 : 41,748.68 = 15,384.29 : x
  2. Step 2: Convert to fraction form
    27,858.65/41,748.68 = 15,384.29/x
  3. Step 3: Cross multiply
    27,858.65x = 41,748.68 × 15,384.29
  4. Step 4: Simplify right side
    27,858.65x = 642,273,838.70
  5. Step 5: Solve for x
    x = 642,273,838.70/27,858.65
  6. Step 6: Final answer
    x = 23,054.74

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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.