Home / 27,282.38-40,945.43-14,138.51

Finding the Fourth Proportional to 27,282.38, 40,945.43 and 14,138.51

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Solution

The fourth proportional to 27,282.38, 40,945.43 and 14,138.51 is: 21,219.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,282.38 : 40,945.43 = 14,138.51 : x
  2. Step 2: Convert to fraction form
    27,282.38/40,945.43 = 14,138.51/x
  3. Step 3: Cross multiply
    27,282.38x = 40,945.43 × 14,138.51
  4. Step 4: Simplify right side
    27,282.38x = 578,907,096.09
  5. Step 5: Solve for x
    x = 578,907,096.09/27,282.38
  6. Step 6: Final answer
    x = 21,219.09

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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.