Home / 27,612.05-41,385.69-11,812.50

Finding the Fourth Proportional to 27,612.05, 41,385.69 and 11,812.50

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Solution

The fourth proportional to 27,612.05, 41,385.69 and 11,812.50 is: 17,704.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,612.05 : 41,385.69 = 11,812.50 : x
  2. Step 2: Convert to fraction form
    27,612.05/41,385.69 = 11,812.50/x
  3. Step 3: Cross multiply
    27,612.05x = 41,385.69 × 11,812.50
  4. Step 4: Simplify right side
    27,612.05x = 488,868,463.13
  5. Step 5: Solve for x
    x = 488,868,463.13/27,612.05
  6. Step 6: Final answer
    x = 17,704.90

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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.