Home / 40,732.16-56,171.00-28,628.73

Finding the Fourth Proportional to 40,732.16, 56,171.00 and 28,628.73

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Solution

The fourth proportional to 40,732.16, 56,171.00 and 28,628.73 is: 39,479.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,732.16 : 56,171.00 = 28,628.73 : x
  2. Step 2: Convert to fraction form
    40,732.16/56,171.00 = 28,628.73/x
  3. Step 3: Cross multiply
    40,732.16x = 56,171.00 × 28,628.73
  4. Step 4: Simplify right side
    40,732.16x = 1,608,104,464.40
  5. Step 5: Solve for x
    x = 1,608,104,464.40/40,732.16
  6. Step 6: Final answer
    x = 39,479.98

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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.