Home / 27,139.70-40,709.55-25,714.10

Finding the Fourth Proportional to 27,139.70, 40,709.55 and 25,714.10

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Solution

The fourth proportional to 27,139.70, 40,709.55 and 25,714.10 is: 38,571.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,139.70 : 40,709.55 = 25,714.10 : x
  2. Step 2: Convert to fraction form
    27,139.70/40,709.55 = 25,714.10/x
  3. Step 3: Cross multiply
    27,139.70x = 40,709.55 × 25,714.10
  4. Step 4: Simplify right side
    27,139.70x = 1,046,809,439.66
  5. Step 5: Solve for x
    x = 1,046,809,439.66/27,139.70
  6. Step 6: Final answer
    x = 38,571.15

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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.