Home / 40,613.56-55,991.60-28,497.58

Finding the Fourth Proportional to 40,613.56, 55,991.60 and 28,497.58

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Solution

The fourth proportional to 40,613.56, 55,991.60 and 28,497.58 is: 39,287.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,613.56 : 55,991.60 = 28,497.58 : x
  2. Step 2: Convert to fraction form
    40,613.56/55,991.60 = 28,497.58/x
  3. Step 3: Cross multiply
    40,613.56x = 55,991.60 × 28,497.58
  4. Step 4: Simplify right side
    40,613.56x = 1,595,624,957.84
  5. Step 5: Solve for x
    x = 1,595,624,957.84/40,613.56
  6. Step 6: Final answer
    x = 39,287.99

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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.