Home / 40,613.81-55,991.94-28,497.83

Finding the Fourth Proportional to 40,613.81, 55,991.94 and 28,497.83

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Solution

The fourth proportional to 40,613.81, 55,991.94 and 28,497.83 is: 39,288.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,613.81 : 55,991.94 = 28,497.83 : x
  2. Step 2: Convert to fraction form
    40,613.81/55,991.94 = 28,497.83/x
  3. Step 3: Cross multiply
    40,613.81x = 55,991.94 × 28,497.83
  4. Step 4: Simplify right side
    40,613.81x = 1,595,648,787.49
  5. Step 5: Solve for x
    x = 1,595,648,787.49/40,613.81
  6. Step 6: Final answer
    x = 39,288.33

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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.