Home / 40,687.76-56,146.28-27,256.84

Finding the Fourth Proportional to 40,687.76, 56,146.28 and 27,256.84

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Solution

The fourth proportional to 40,687.76, 56,146.28 and 27,256.84 is: 37,612.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,687.76 : 56,146.28 = 27,256.84 : x
  2. Step 2: Convert to fraction form
    40,687.76/56,146.28 = 27,256.84/x
  3. Step 3: Cross multiply
    40,687.76x = 56,146.28 × 27,256.84
  4. Step 4: Simplify right side
    40,687.76x = 1,530,370,170.56
  5. Step 5: Solve for x
    x = 1,530,370,170.56/40,687.76
  6. Step 6: Final answer
    x = 37,612.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.