Home / 27,917.79-41,853.12-12,110.92

Finding the Fourth Proportional to 27,917.79, 41,853.12 and 12,110.92

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Solution

The fourth proportional to 27,917.79, 41,853.12 and 12,110.92 is: 18,156.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,917.79 : 41,853.12 = 12,110.92 : x
  2. Step 2: Convert to fraction form
    27,917.79/41,853.12 = 12,110.92/x
  3. Step 3: Cross multiply
    27,917.79x = 41,853.12 × 12,110.92
  4. Step 4: Simplify right side
    27,917.79x = 506,879,788.07
  5. Step 5: Solve for x
    x = 506,879,788.07/27,917.79
  6. Step 6: Final answer
    x = 18,156.16

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1.5x scale

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.