Home / 27,916.89-41,875.87-13,117.65

Finding the Fourth Proportional to 27,916.89, 41,875.87 and 13,117.65

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Solution

The fourth proportional to 27,916.89, 41,875.87 and 13,117.65 is: 19,676.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,916.89 : 41,875.87 = 13,117.65 : x
  2. Step 2: Convert to fraction form
    27,916.89/41,875.87 = 13,117.65/x
  3. Step 3: Cross multiply
    27,916.89x = 41,875.87 × 13,117.65
  4. Step 4: Simplify right side
    27,916.89x = 549,313,006.11
  5. Step 5: Solve for x
    x = 549,313,006.11/27,916.89
  6. Step 6: Final answer
    x = 19,676.73

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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.