Home / 40,734.28-56,195.94-28,137.16

Finding the Fourth Proportional to 40,734.28, 56,195.94 and 28,137.16

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Solution

The fourth proportional to 40,734.28, 56,195.94 and 28,137.16 is: 38,817.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,734.28 : 56,195.94 = 28,137.16 : x
  2. Step 2: Convert to fraction form
    40,734.28/56,195.94 = 28,137.16/x
  3. Step 3: Cross multiply
    40,734.28x = 56,195.94 × 28,137.16
  4. Step 4: Simplify right side
    40,734.28x = 1,581,194,155.13
  5. Step 5: Solve for x
    x = 1,581,194,155.13/40,734.28
  6. Step 6: Final answer
    x = 38,817.28

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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.