Home / 40,858.21-56,405.33-28,261.09

Finding the Fourth Proportional to 40,858.21, 56,405.33 and 28,261.09

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Solution

The fourth proportional to 40,858.21, 56,405.33 and 28,261.09 is: 39,014.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,858.21 : 56,405.33 = 28,261.09 : x
  2. Step 2: Convert to fraction form
    40,858.21/56,405.33 = 28,261.09/x
  3. Step 3: Cross multiply
    40,858.21x = 56,405.33 × 28,261.09
  4. Step 4: Simplify right side
    40,858.21x = 1,594,076,107.61
  5. Step 5: Solve for x
    x = 1,594,076,107.61/40,858.21
  6. Step 6: Final answer
    x = 39,014.83

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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.