Home / 40,297.28-60,405.42-15,330.92

Finding the Fourth Proportional to 40,297.28, 60,405.42 and 15,330.92

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Solution

The fourth proportional to 40,297.28, 60,405.42 and 15,330.92 is: 22,980.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,297.28 : 60,405.42 = 15,330.92 : x
  2. Step 2: Convert to fraction form
    40,297.28/60,405.42 = 15,330.92/x
  3. Step 3: Cross multiply
    40,297.28x = 60,405.42 × 15,330.92
  4. Step 4: Simplify right side
    40,297.28x = 926,070,661.59
  5. Step 5: Solve for x
    x = 926,070,661.59/40,297.28
  6. Step 6: Final answer
    x = 22,980.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.