Home / 40,896.31-56,401.92-28,169.79

Finding the Fourth Proportional to 40,896.31, 56,401.92 and 28,169.79

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Solution

The fourth proportional to 40,896.31, 56,401.92 and 28,169.79 is: 38,850.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,896.31 : 56,401.92 = 28,169.79 : x
  2. Step 2: Convert to fraction form
    40,896.31/56,401.92 = 28,169.79/x
  3. Step 3: Cross multiply
    40,896.31x = 56,401.92 × 28,169.79
  4. Step 4: Simplify right side
    40,896.31x = 1,588,830,383.00
  5. Step 5: Solve for x
    x = 1,588,830,383.00/40,896.31
  6. Step 6: Final answer
    x = 38,850.21

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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.