Home / 40,686.76-56,144.90-27,255.84

Finding the Fourth Proportional to 40,686.76, 56,144.90 and 27,255.84

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Solution

The fourth proportional to 40,686.76, 56,144.90 and 27,255.84 is: 37,611.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,686.76 : 56,144.90 = 27,255.84 : x
  2. Step 2: Convert to fraction form
    40,686.76/56,144.90 = 27,255.84/x
  3. Step 3: Cross multiply
    40,686.76x = 56,144.90 × 27,255.84
  4. Step 4: Simplify right side
    40,686.76x = 1,530,276,411.22
  5. Step 5: Solve for x
    x = 1,530,276,411.22/40,686.76
  6. Step 6: Final answer
    x = 37,611.16

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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.