Home / 40,757.55-56,226.29-28,827.47

Finding the Fourth Proportional to 40,757.55, 56,226.29 and 28,827.47

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Solution

The fourth proportional to 40,757.55, 56,226.29 and 28,827.47 is: 39,768.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,757.55 : 56,226.29 = 28,827.47 : x
  2. Step 2: Convert to fraction form
    40,757.55/56,226.29 = 28,827.47/x
  3. Step 3: Cross multiply
    40,757.55x = 56,226.29 × 28,827.47
  4. Step 4: Simplify right side
    40,757.55x = 1,620,861,648.09
  5. Step 5: Solve for x
    x = 1,620,861,648.09/40,757.55
  6. Step 6: Final answer
    x = 39,768.37

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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.