Home / 27,916.79-41,851.62-12,109.92

Finding the Fourth Proportional to 27,916.79, 41,851.62 and 12,109.92

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Solution

The fourth proportional to 27,916.79, 41,851.62 and 12,109.92 is: 18,154.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,916.79 : 41,851.62 = 12,109.92 : x
  2. Step 2: Convert to fraction form
    27,916.79/41,851.62 = 12,109.92/x
  3. Step 3: Cross multiply
    27,916.79x = 41,851.62 × 12,109.92
  4. Step 4: Simplify right side
    27,916.79x = 506,819,613.13
  5. Step 5: Solve for x
    x = 506,819,613.13/27,916.79
  6. Step 6: Final answer
    x = 18,154.66

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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.