Home / 29,293.44-40,405.72-20,692.25

Finding the Fourth Proportional to 29,293.44, 40,405.72 and 20,692.25

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Solution

The fourth proportional to 29,293.44, 40,405.72 and 20,692.25 is: 28,541.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,293.44 : 40,405.72 = 20,692.25 : x
  2. Step 2: Convert to fraction form
    29,293.44/40,405.72 = 20,692.25/x
  3. Step 3: Cross multiply
    29,293.44x = 40,405.72 × 20,692.25
  4. Step 4: Simplify right side
    29,293.44x = 836,085,259.67
  5. Step 5: Solve for x
    x = 836,085,259.67/29,293.44
  6. Step 6: Final answer
    x = 28,541.72

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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.